Google Code Jam Practice
•
0 likes•391 views
The document provides practice problems for Google Code Jam. The first problem involves calculating the maximum area rectangle that can be formed from the skyline of a city made of rectangular buildings. The input specifies the number of buildings and their widths and heights. The output is the area of the largest possible block. The second problem involves finding the shortest flight path for a galaxy crawler to visit stock exchanges on different planets while traveling through hyperspace jumpgates connecting the planets. The input specifies the planets, stock exchanges, and connections. The output lists the planets on the optimal path.
Report
Share
Report
Share
Download to read offline
![B - Universal Search
You've just started your job at Google Moon, and you've been assigned to the universal search
project: that is, of course, the functionality that lets people search for anything in the
universe. Your starter project seems simple: find a flight path for the GCrawler (Galaxy Crawler)
that will gather stock prices from all of the galactic stock exchanges, traveling between planets
using Hyperspace Jumpgates.
The known universe contains k stock exchanges and p inhabited planets. Each planet deals with
one stock exchange, and every planet has a record of the stock prices for its exchange. Given a
list of stock exchanges, their planets, and planet<->planet jumpgate connections, find a path for
the GCrawler that contains the smallest number of jumpgates, but still passes through at least
one planet from each stock exchange before returning home.
Input:
The input will start with p, the number of planets. Next will follow p lines of the form:
planet_name stock_exchange connection1 connection2 ... connectionN
If planet A connects to planet B, then planet B also connects to planet A. Planet and stock
exchange names will contain only alphabetic characters [A-Za-z]. One of the planets will be
named GoogleMoon; that is the start and end location for the GCrawler.
Easy: 0 < p < 50, 0 < k < 5.
Hard: 0 < p < 500, 0 < k < 16.
Output:
A series of planet names, separated by spaces, describing the path the GCrawler should take.
Sample Input
5
GoogleMoon TheInternet Mars Earth
Mars EarthStocks GoogleMoon AlphaCentauriII AlphaCetiV
Earth EarthStocks GoogleMoon
AlphaCentauriII AlphaStocks Mars AlphaCetiV
AlphaCetiV AlphaStocks Mars AlphaCentauriII
Sample Output
GoogleMoon Mars AlphaCetiV Mars GoogleMoon
Explanation
The GCrawler has three stock exchanges to visit: TheInternet,
EarthStocks and AlphaStocks. It starts on GoogleMoon, which
deals with TheInternet; it then travels to Mars, which trades in
EarthStocks, then to AlphaCetiV, which deals in AlphaStocks.
Now it needs to get back home; the shortest route goes
through Mars.
Google Code Jam Practice Problems
© Google Inc. - September 2007
p. 2](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recommended
Cs3430 lecture 13
This document discusses image processing techniques in Python including converting RGB images to grayscale and binary images. It describes calculating luminosity from RGB pixels to grayscale values. It also discusses edge detection using gradients by computing the directional change in pixel intensity between neighboring pixels to find edges, which are defined as having a gradient magnitude above a threshold and direction within a specified range. The document provides code examples for calculating gradient magnitude and direction using pixel differences in the x and y directions.
130701 04-01-2013
This document contains an exam for a Digital Logic Design course, with 5 multiple choice questions covering various topics in digital logic including number conversion, adders, decoders, Boolean logic, counters, and microprocessor architecture. The exam contains a total of 70 marks and tests the students' knowledge of key concepts in digital circuits and systems.
Quantum espresso G Vector distributon
This document describes the process of distributing reciprocal space grid points (G-vectors) across multiple processors for parallel computation in density functional theory (DFT) calculations. It involves 4 steps:
1) Initializing FFT descriptors and allocating data across processors
2) Mapping G-vectors to processors by iterating through grid points and checking if the vector satisfies cutoff criteria
3) Counting the number of G-vectors assigned to each processor
4) Sorting and distributing the G-vectors to optimize load balancing across processors
【論文読み】Learning to Structure an Image with Few Colors
This document summarizes a research paper about using a convolutional neural network called ColorCNN to learn how to structure images using a small number of colors. ColorCNN takes an input image and maps it to a low-dimensional color space, represented by a color codebook. It then reconstructs the original image from the color codebook. The network is trained end-to-end to minimize reconstruction loss on datasets like ImageNet and CIFAR-100. The authors demonstrate that ColorCNN can represent images using only 1-2 bits per pixel while retaining good visual quality.
Dld assignment 1
This document provides the details of Assignment 1 for a Digital Logic Design course, which is due on October 07, 2010. It includes 10 questions covering topics such as binary, octal, hexadecimal, and BCD conversions; arithmetic operations using binary complement representations; weighted coding schemes; switching circuit representations; and determining numeric bases. Students are to complete the assignment individually on A4 pages by the due date.
Создание картограмм на принципах грамматики графики. С помощью R-расширения g...
Создание картограмм на принципах грамматики графики. С помощью R-расширения g...Matrunich Consulting
Слайды выступления Александра Матрунича на конференции "Открытые ГИС" 17 ноября 2012 г. в Москве.
Грамматика графики - подход к визуализации статистических данных, позволяющий перейти к содержательной части графика и не отвлекаться второстепенные детали, которые создаются автоматически. Ggplot2 - расширение Хэдли Викхэма для среды статистической обработки данных R, реализующее концепцию грамматики графики. Для создания графика в ggplot2 пользователь указывает исходный массив данных, сопоствляет переменным из массива подходящие средства графического представления (такими могут быть положение по вертикали и горизонтали, размер, цвет заливки, цвет обводки, форма и др.), выбирает тип геометрического объекта (например, точка, прямоугольник, линия, изолиния, ящик с усами и пр.), и при необходимости устанавливает способ статистического преобразования данных, тип координатной системы.
Ggmap - расширение Дэвида Кахли для R, "заточенное" под создание картограмм и основанное на ggplot2. В качестве положения по вертикали и горизонтали в ggmap зафиксированы широта и долгота, в качестве проекции - Меркатор. Ggmap упрощает процесс визуализации пространственных данных, минимизируя усилия пользователя под установке географической подложки для своего графика. В качестве подложки могут быть выбраны слои из сервиса Google Maps, OpenStreetMap, CloudMade.
Visualising Big Data
Visualising is essential for data science process because it allows as to look at the portrait of our data and develop new hypotheses about our problem. However, visualisation does not scale very well as we are limited by the number of pixels in the our screen (at least for static graphics). This deck talks about the approach - Bin - Summarize - Smooth approach to visualise big data which has been developed by Hadley Wickham and then implemented in an R package in Bigvis.
Boolean Algebra by SUKHDEEP SINGH
This document discusses various techniques for simplifying Boolean functions including K-maps, don't care conditions, and implementing Boolean functions as logic circuits. It covers:
1) Using K-maps to solve 3-variable functions and simplify sums.
2) How don't care conditions can be represented on K-maps to simplify structures.
3) Converting Boolean functions to logic diagrams using only NAND or NOR gates as universal gates. Steps are provided to convert functions to NAND and NOR gate implementations.
4) Equivalents for NOT, AND and OR gates using only NAND or NOR gates.
Recommended
Cs3430 lecture 13
This document discusses image processing techniques in Python including converting RGB images to grayscale and binary images. It describes calculating luminosity from RGB pixels to grayscale values. It also discusses edge detection using gradients by computing the directional change in pixel intensity between neighboring pixels to find edges, which are defined as having a gradient magnitude above a threshold and direction within a specified range. The document provides code examples for calculating gradient magnitude and direction using pixel differences in the x and y directions.
130701 04-01-2013
This document contains an exam for a Digital Logic Design course, with 5 multiple choice questions covering various topics in digital logic including number conversion, adders, decoders, Boolean logic, counters, and microprocessor architecture. The exam contains a total of 70 marks and tests the students' knowledge of key concepts in digital circuits and systems.
Quantum espresso G Vector distributon
This document describes the process of distributing reciprocal space grid points (G-vectors) across multiple processors for parallel computation in density functional theory (DFT) calculations. It involves 4 steps:
1) Initializing FFT descriptors and allocating data across processors
2) Mapping G-vectors to processors by iterating through grid points and checking if the vector satisfies cutoff criteria
3) Counting the number of G-vectors assigned to each processor
4) Sorting and distributing the G-vectors to optimize load balancing across processors
【論文読み】Learning to Structure an Image with Few Colors
This document summarizes a research paper about using a convolutional neural network called ColorCNN to learn how to structure images using a small number of colors. ColorCNN takes an input image and maps it to a low-dimensional color space, represented by a color codebook. It then reconstructs the original image from the color codebook. The network is trained end-to-end to minimize reconstruction loss on datasets like ImageNet and CIFAR-100. The authors demonstrate that ColorCNN can represent images using only 1-2 bits per pixel while retaining good visual quality.
Dld assignment 1
This document provides the details of Assignment 1 for a Digital Logic Design course, which is due on October 07, 2010. It includes 10 questions covering topics such as binary, octal, hexadecimal, and BCD conversions; arithmetic operations using binary complement representations; weighted coding schemes; switching circuit representations; and determining numeric bases. Students are to complete the assignment individually on A4 pages by the due date.
Создание картограмм на принципах грамматики графики. С помощью R-расширения g...
Создание картограмм на принципах грамматики графики. С помощью R-расширения g...Matrunich Consulting
Слайды выступления Александра Матрунича на конференции "Открытые ГИС" 17 ноября 2012 г. в Москве.
Грамматика графики - подход к визуализации статистических данных, позволяющий перейти к содержательной части графика и не отвлекаться второстепенные детали, которые создаются автоматически. Ggplot2 - расширение Хэдли Викхэма для среды статистической обработки данных R, реализующее концепцию грамматики графики. Для создания графика в ggplot2 пользователь указывает исходный массив данных, сопоствляет переменным из массива подходящие средства графического представления (такими могут быть положение по вертикали и горизонтали, размер, цвет заливки, цвет обводки, форма и др.), выбирает тип геометрического объекта (например, точка, прямоугольник, линия, изолиния, ящик с усами и пр.), и при необходимости устанавливает способ статистического преобразования данных, тип координатной системы.
Ggmap - расширение Дэвида Кахли для R, "заточенное" под создание картограмм и основанное на ggplot2. В качестве положения по вертикали и горизонтали в ggmap зафиксированы широта и долгота, в качестве проекции - Меркатор. Ggmap упрощает процесс визуализации пространственных данных, минимизируя усилия пользователя под установке географической подложки для своего графика. В качестве подложки могут быть выбраны слои из сервиса Google Maps, OpenStreetMap, CloudMade.
Visualising Big Data
Visualising is essential for data science process because it allows as to look at the portrait of our data and develop new hypotheses about our problem. However, visualisation does not scale very well as we are limited by the number of pixels in the our screen (at least for static graphics). This deck talks about the approach - Bin - Summarize - Smooth approach to visualise big data which has been developed by Hadley Wickham and then implemented in an R package in Bigvis.
Boolean Algebra by SUKHDEEP SINGH
This document discusses various techniques for simplifying Boolean functions including K-maps, don't care conditions, and implementing Boolean functions as logic circuits. It covers:
1) Using K-maps to solve 3-variable functions and simplify sums.
2) How don't care conditions can be represented on K-maps to simplify structures.
3) Converting Boolean functions to logic diagrams using only NAND or NOR gates as universal gates. Steps are provided to convert functions to NAND and NOR gate implementations.
4) Equivalents for NOT, AND and OR gates using only NAND or NOR gates.
Code jam japan2011 練習問題A
This document describes an example problem from Code Jam Japan 2011 that involves tracking the state of an electronic device and switch over multiple cycles. It shows the states of the electronic device (on/off) and switch (on/off) during 15 cycles. It then explains the example for a case with 4 cycles, illustrating the repeating pattern of states every 8 cycles.
Layout plan
This document summarizes issues and opportunities related to tourism development in Kampung Tepi Sungai. Key issues identified include abandoned houses after the tsunami, overgrown vegetation, an old and small jetty, lack of waste management, and the village being far from town. Opportunities mentioned are scenic views, local culture, homestay facilities, and potential for tourism areas. The SWOT analysis notes economic opportunities from the wet market and tourism, but also challenges like some villagers opposing development and lack of government attention.
AP Environmental Science Ch 10. part 2 Grasslands and Parks Miller LITE
The document discusses various topics relating to grasslands, parks, nature reserves, habitat corridors, and wilderness areas. It notes that only 5% of land has been set aside as nature reserves, but conservation biologists believe 20% is needed to maintain biodiversity. National parks face threats like invasive species, overuse by visitors, pollution, and lack of funding. The document also discusses the controversy over protecting wilderness areas in the US.
Green public places
This document discusses public green spaces and environmental issues. It defines public green spaces as a variety of natural areas found in both urban and rural settings like parks and gardens. These spaces provide ecological and environmental benefits. The document then outlines several major problems facing the environment like overpopulation, climate change, loss of biodiversity, water scarcity, pollution, and deforestation. Finally, it recommends ways to protect the environment such as using renewable energy, avoiding plastic, planting trees, and educating others about sustainability.
City Skyline of India
The City Skyline of India, The City Skyline of India, provides information on different kinds of consumers, market sizes, their income, savings and expenditure patterns. The product covers demography, age distribution, consumer markets – assets owned, socio economic classifications, life stage of chief wage earner, employment status of chief wage earner, consumer psychographics, income categories, earning potential, education, housing, media consumption, market characteristics, among others
A system for solving spatial forest planning problems
This document describes a two-stage spatial forest planning system developed by Remsoft to help Champion International Corp. optimize harvest scheduling while complying with sustainability guidelines. Stage one uses linear programming to determine optimal harvest volumes over time. Stage two uses heuristics to allocate harvests to contiguous blocks that meet size, proximity, and green-up constraints, yielding near-optimal solutions within 15 minutes. The system provides satisfactory solutions for Champion's large, complex forests.
The skyline operator lee, woonghee
For my first paper review at my lab seminar, this paper is dedicated by Borzsonyi, S., Kossmann, D., and Stocker, K. I made the PPT file to present in front of my colleague students and my professor. This paper is good to study not only algorithm(divide and conquer) but also mathematical aspect of database of linear algebraic methods.
Skyline queries
The document discusses skyline queries and algorithms for computing skylines. It begins by defining skylines and providing examples. It then discusses two main options for implementing skyline queries: extending SQL with a skyline operator, or building skylines on top of relational databases using nested SQL queries. The document focuses on algorithms for computing skylines, including the block-nested loops algorithm, divide and conquer algorithm, and algorithms using B-trees and R-trees. It also discusses combining skyline queries with joins and top-N queries. Experimental results show divide and conquer performs best for multidimensional skylines while block-nested loops is better for small skylines.
Issues for people living in squatter settlements in led cs
Rapid urbanization in poorer parts of the world has led to the development of squatter settlements that house over 50% of some city populations. Squatter settlements are informal and illegal communities built on unused land without basic infrastructure or amenities. Residents live in makeshift shelters with limited access to clean water, sanitation, healthcare, education, and other services. As a result, living conditions are poor and residents face higher risks of waterborne diseases, malnutrition, crime, and other issues affecting their quality of life.
What are the issues for people living in squatter settlements in poorer parts...
Squatter settlements are informal communities that form rapidly in urban areas due to high rates of rural-urban migration that outpace formal housing development. Residents live in self-built shelters with no water, sanitation, or electricity and work informal jobs. To improve conditions, residents may upgrade their own homes over time. Local authorities also support improvements through organized self-help programs and larger projects providing infrastructure and housing.
Structural Geology
This document provides an overview of structural geology concepts including folds, faults, strike, dip, and fold classification. It discusses that structural geology studies secondary rock structures like folds and faults, and defines key terms like outcrop, strike, and dip. It also categorizes and describes various types of folds such as anticlines, synclines, symmetrical/asymmetrical, plunging/non-plunging, open/closed, and domes and basins. The causes of folding from tectonic forces and effects on erosion are summarized. Faults are described as unfavorable for construction.
Urban problems
Urban problems include loss of public space as streets are increasingly used for traffic rather than social activities, environmental and health impacts from pollution, increased accidents and safety issues due to more traffic, significant land consumption devoted to transportation infrastructure, and challenges of urban freight distribution with more goods movement. Solutions proposed include improving public transportation to reduce car usage and traffic, developing ring roads and bypass routes, implementing park and ride facilities, and restricting car access to city centers.
Introduction to town planning
The document discusses various topics related to town planning and planning concepts including:
- Definitions of town planning and the role of planners
- The planning process including identification of problems, data collection/analysis, forecasting, implementation, and review
- Types of surveys including regional, town, land use, density, and traffic surveys
- Different types of plans including structural, comprehensive, and developmental plans
Engineering Geology (Civil Engineering Applications)
This document discusses the important geological factors to consider when selecting sites for dams and reservoirs. Narrow river valleys, shallow bedrock, and competent bedrock foundations are desirable for reducing dam construction costs. Sedimentary rocks like sandstone and limestone can cause water leakage from reservoirs depending on their porosity. Metamorphic rocks like gneiss and quartzite are generally impermeable. Geological structures must also be considered, with horizontal or tilted strata being most suitable and faults or intense fracturing making a site undesirable. The document outlines these considerations in detail.
Project seminar ppt_steelcasting
Uniformity in mechanical properties of the slab affects quality of subsequent rolling process. One of the most important factors deciding quality of the slab is fluctuation of the molten steel level in the mould. That is, smoothing pouring without fluctuating in the mould level means improvement in quality of the slab and protects break-out problem and allows high speed casting process. If molten steel surface fluctuates severely, the forming oscillation marks on the slab is unstable, solidification of molten steel is not uniform and there will be entrapment of mould powder in the solidified cast strand. It makes quality of the slab inferior and generates defects on the slab.
Class[2][29th may] [javascript]
This document provides an overview of a class on JavaScript fundamentals. It includes an agenda covering JS syntax for variables, operators, conditional statements, and loops. It also provides examples and explanations of JS concepts like variable declaration, object properties, arithmetic operators, and for/while loops. The instructor aims to brush up students' coding skills through examples like a simple "alphabet shifter" algorithm to replace each character in a string with the next letter.
DiscoGAN
This document summarizes the DiscoGAN model, which uses generative adversarial networks to discover relations between image domains without paired training examples. It introduces GANs and the DiscoGAN model, which uses two generators and discriminators with reconstruction and adversarial losses to learn bijective mappings between domains. Experiments show DiscoGAN can discover relations like azimuth angle between car images and translate attributes like gender between faces while maintaining other features. Code links for TensorFlow and PyTorch implementations are also provided.
Engineering + Programming portfolio
Joseph Donnelly has an engineering degree from Newcastle University. His projects include designing a Formula 1 car suspension and wheel, building a lightweight paper bridge, and developing a growing spinal rod to help correct scoliosis in children. He is proficient in various engineering software such as AutoCAD, ANSYS, and MATLAB. Joseph also has strong programming skills, including experience with Python, JavaScript, C/C++, and web development frameworks like Flask and Django. He has created several games, simulations, and a self-driving car prototype to demonstrate his technical abilities.
Class[6][5th aug] [three js-loaders]
In this class, we will learn about threejs loaders, especially those devoted to loading 3d objects and textures.
mago3D: A brand new Geo-BIM platform on top of Cesium & World Wind
This talk is about how to integrate very large size BIM data and 3D GIS in a web browser. mago3D makes use of existing features of Cesium and Web World WInd. And mago3D proposes F4D as new service format for 3D service over the internet.
Summer training on matlab
This document summarizes a seminar on MATLAB software presented by representatives from CETPA Institute. It discusses the history and development of MATLAB, file types used in MATLAB, basic functions and operations in MATLAB, types of projects that can be done in MATLAB including image processing and signal processing. It provides details of a sample license plate detection project implemented in MATLAB, outlining the basic modules, flow chart, and experimental results. MATLAB was chosen for this project due to its capabilities for fast computation and transitioning to a real-time environment. Some problems faced included the algorithm not working perfectly on multiple images and requiring manual code changes each time.
More Related Content
Viewers also liked
Code jam japan2011 練習問題A
This document describes an example problem from Code Jam Japan 2011 that involves tracking the state of an electronic device and switch over multiple cycles. It shows the states of the electronic device (on/off) and switch (on/off) during 15 cycles. It then explains the example for a case with 4 cycles, illustrating the repeating pattern of states every 8 cycles.
Layout plan
This document summarizes issues and opportunities related to tourism development in Kampung Tepi Sungai. Key issues identified include abandoned houses after the tsunami, overgrown vegetation, an old and small jetty, lack of waste management, and the village being far from town. Opportunities mentioned are scenic views, local culture, homestay facilities, and potential for tourism areas. The SWOT analysis notes economic opportunities from the wet market and tourism, but also challenges like some villagers opposing development and lack of government attention.
AP Environmental Science Ch 10. part 2 Grasslands and Parks Miller LITE
The document discusses various topics relating to grasslands, parks, nature reserves, habitat corridors, and wilderness areas. It notes that only 5% of land has been set aside as nature reserves, but conservation biologists believe 20% is needed to maintain biodiversity. National parks face threats like invasive species, overuse by visitors, pollution, and lack of funding. The document also discusses the controversy over protecting wilderness areas in the US.
Green public places
This document discusses public green spaces and environmental issues. It defines public green spaces as a variety of natural areas found in both urban and rural settings like parks and gardens. These spaces provide ecological and environmental benefits. The document then outlines several major problems facing the environment like overpopulation, climate change, loss of biodiversity, water scarcity, pollution, and deforestation. Finally, it recommends ways to protect the environment such as using renewable energy, avoiding plastic, planting trees, and educating others about sustainability.
City Skyline of India
The City Skyline of India, The City Skyline of India, provides information on different kinds of consumers, market sizes, their income, savings and expenditure patterns. The product covers demography, age distribution, consumer markets – assets owned, socio economic classifications, life stage of chief wage earner, employment status of chief wage earner, consumer psychographics, income categories, earning potential, education, housing, media consumption, market characteristics, among others
A system for solving spatial forest planning problems
This document describes a two-stage spatial forest planning system developed by Remsoft to help Champion International Corp. optimize harvest scheduling while complying with sustainability guidelines. Stage one uses linear programming to determine optimal harvest volumes over time. Stage two uses heuristics to allocate harvests to contiguous blocks that meet size, proximity, and green-up constraints, yielding near-optimal solutions within 15 minutes. The system provides satisfactory solutions for Champion's large, complex forests.
The skyline operator lee, woonghee
For my first paper review at my lab seminar, this paper is dedicated by Borzsonyi, S., Kossmann, D., and Stocker, K. I made the PPT file to present in front of my colleague students and my professor. This paper is good to study not only algorithm(divide and conquer) but also mathematical aspect of database of linear algebraic methods.
Skyline queries
The document discusses skyline queries and algorithms for computing skylines. It begins by defining skylines and providing examples. It then discusses two main options for implementing skyline queries: extending SQL with a skyline operator, or building skylines on top of relational databases using nested SQL queries. The document focuses on algorithms for computing skylines, including the block-nested loops algorithm, divide and conquer algorithm, and algorithms using B-trees and R-trees. It also discusses combining skyline queries with joins and top-N queries. Experimental results show divide and conquer performs best for multidimensional skylines while block-nested loops is better for small skylines.
Issues for people living in squatter settlements in led cs
Rapid urbanization in poorer parts of the world has led to the development of squatter settlements that house over 50% of some city populations. Squatter settlements are informal and illegal communities built on unused land without basic infrastructure or amenities. Residents live in makeshift shelters with limited access to clean water, sanitation, healthcare, education, and other services. As a result, living conditions are poor and residents face higher risks of waterborne diseases, malnutrition, crime, and other issues affecting their quality of life.
What are the issues for people living in squatter settlements in poorer parts...
Squatter settlements are informal communities that form rapidly in urban areas due to high rates of rural-urban migration that outpace formal housing development. Residents live in self-built shelters with no water, sanitation, or electricity and work informal jobs. To improve conditions, residents may upgrade their own homes over time. Local authorities also support improvements through organized self-help programs and larger projects providing infrastructure and housing.
Structural Geology
This document provides an overview of structural geology concepts including folds, faults, strike, dip, and fold classification. It discusses that structural geology studies secondary rock structures like folds and faults, and defines key terms like outcrop, strike, and dip. It also categorizes and describes various types of folds such as anticlines, synclines, symmetrical/asymmetrical, plunging/non-plunging, open/closed, and domes and basins. The causes of folding from tectonic forces and effects on erosion are summarized. Faults are described as unfavorable for construction.
Urban problems
Urban problems include loss of public space as streets are increasingly used for traffic rather than social activities, environmental and health impacts from pollution, increased accidents and safety issues due to more traffic, significant land consumption devoted to transportation infrastructure, and challenges of urban freight distribution with more goods movement. Solutions proposed include improving public transportation to reduce car usage and traffic, developing ring roads and bypass routes, implementing park and ride facilities, and restricting car access to city centers.
Introduction to town planning
The document discusses various topics related to town planning and planning concepts including:
- Definitions of town planning and the role of planners
- The planning process including identification of problems, data collection/analysis, forecasting, implementation, and review
- Types of surveys including regional, town, land use, density, and traffic surveys
- Different types of plans including structural, comprehensive, and developmental plans
Engineering Geology (Civil Engineering Applications)
This document discusses the important geological factors to consider when selecting sites for dams and reservoirs. Narrow river valleys, shallow bedrock, and competent bedrock foundations are desirable for reducing dam construction costs. Sedimentary rocks like sandstone and limestone can cause water leakage from reservoirs depending on their porosity. Metamorphic rocks like gneiss and quartzite are generally impermeable. Geological structures must also be considered, with horizontal or tilted strata being most suitable and faults or intense fracturing making a site undesirable. The document outlines these considerations in detail.
Viewers also liked (15)
AP Environmental Science Ch 10. part 2 Grasslands and Parks Miller LITE
AP Environmental Science Ch 10. part 2 Grasslands and Parks Miller LITE
A system for solving spatial forest planning problems
A system for solving spatial forest planning problems
Issues for people living in squatter settlements in led cs
Issues for people living in squatter settlements in led cs
What are the issues for people living in squatter settlements in poorer parts...
What are the issues for people living in squatter settlements in poorer parts...
Engineering Geology (Civil Engineering Applications)
Engineering Geology (Civil Engineering Applications)
Similar to Google Code Jam Practice
Project seminar ppt_steelcasting
Uniformity in mechanical properties of the slab affects quality of subsequent rolling process. One of the most important factors deciding quality of the slab is fluctuation of the molten steel level in the mould. That is, smoothing pouring without fluctuating in the mould level means improvement in quality of the slab and protects break-out problem and allows high speed casting process. If molten steel surface fluctuates severely, the forming oscillation marks on the slab is unstable, solidification of molten steel is not uniform and there will be entrapment of mould powder in the solidified cast strand. It makes quality of the slab inferior and generates defects on the slab.
Class[2][29th may] [javascript]
This document provides an overview of a class on JavaScript fundamentals. It includes an agenda covering JS syntax for variables, operators, conditional statements, and loops. It also provides examples and explanations of JS concepts like variable declaration, object properties, arithmetic operators, and for/while loops. The instructor aims to brush up students' coding skills through examples like a simple "alphabet shifter" algorithm to replace each character in a string with the next letter.
DiscoGAN
This document summarizes the DiscoGAN model, which uses generative adversarial networks to discover relations between image domains without paired training examples. It introduces GANs and the DiscoGAN model, which uses two generators and discriminators with reconstruction and adversarial losses to learn bijective mappings between domains. Experiments show DiscoGAN can discover relations like azimuth angle between car images and translate attributes like gender between faces while maintaining other features. Code links for TensorFlow and PyTorch implementations are also provided.
Engineering + Programming portfolio
Joseph Donnelly has an engineering degree from Newcastle University. His projects include designing a Formula 1 car suspension and wheel, building a lightweight paper bridge, and developing a growing spinal rod to help correct scoliosis in children. He is proficient in various engineering software such as AutoCAD, ANSYS, and MATLAB. Joseph also has strong programming skills, including experience with Python, JavaScript, C/C++, and web development frameworks like Flask and Django. He has created several games, simulations, and a self-driving car prototype to demonstrate his technical abilities.
Class[6][5th aug] [three js-loaders]
In this class, we will learn about threejs loaders, especially those devoted to loading 3d objects and textures.
mago3D: A brand new Geo-BIM platform on top of Cesium & World Wind
This talk is about how to integrate very large size BIM data and 3D GIS in a web browser. mago3D makes use of existing features of Cesium and Web World WInd. And mago3D proposes F4D as new service format for 3D service over the internet.
Summer training on matlab
This document summarizes a seminar on MATLAB software presented by representatives from CETPA Institute. It discusses the history and development of MATLAB, file types used in MATLAB, basic functions and operations in MATLAB, types of projects that can be done in MATLAB including image processing and signal processing. It provides details of a sample license plate detection project implemented in MATLAB, outlining the basic modules, flow chart, and experimental results. MATLAB was chosen for this project due to its capabilities for fast computation and transitioning to a real-time environment. Some problems faced included the algorithm not working perfectly on multiple images and requiring manual code changes each time.
Migrating from OpenGL to Vulkan
1. The document discusses migrating from OpenGL to Vulkan, providing analogies comparing the APIs to fixed-function toys, programmable LEGO kits, and raw materials pine wood derby kits.
2. It outlines scenarios that are likely and unlikely to benefit from Vulkan, such as applications with parallelizable CPU-bound graphics work.
3. Key differences between OpenGL and Vulkan are explained, such as Vulkan requiring explicit management of graphics resources, synchronization, and command buffer queuing. The document emphasizes that transitioning to Vulkan truly rethinks the entire graphics rendering approach.
GDG Kuwait - Modern android development
In this event we will walk you through best practices and the practical Implementation of the following topics:
Advantage of Kotlin over Java, Kotlin Coroutines .
What’s new in Android Studio, How to use Motion Layout Editor
NaviGation Architecture component, Vivewmodel, Livedata, Room database, Jetpack Compose,
Material Design Library...etc
App Distribution - Android App bundle over an APK
Introducing google’s mobile nets
Google announces the open source of MobileNe : Primarily focus on optimizing for latency but also yield small networks. https://arxiv.org/abs/1704.04861
This material is to serve as guide reading of the paper.
The Kokkos C++ Performance Portability EcoSystem
In this deck from the GPU Technology Conference, Christian Trott from Sandia National Laboratories presents: The Kokkos C++ Performance Portability EcoSystem.
"The Kokkos C++ Performance Portability EcoSystem is a production-level solution for writing modern C++ applications in a hardware-agnostic way. The ecosystem is part of the U.S. Department of Energy's Exascale Project, a national effort to prepare the HPC community for the next generation of supercomputing platforms. We'll give an overview of what the Kokkos EcoSystem provides, including its programming model, math kernels library, tools, and training resources. We'll provide success stories for Kokkos adoption in large production applications on the leading supercomputing platforms in the U.S. We'll focus particularly on early results from two of the world's most powerful supercomputers, Summit and Sierra, both powered by NVIDIA Tesla V100 GPUs. We will also describe how the Kokkos EcoSystem anticipates the next generation of architectures and share early experiences of using NVSHMEM incorporated into Kokkos."
Watch the video: https://wp.me/p3RLHQ-kjh
Learn more: https://github.com/kokkos
and
https://www.nvidia.com/en-us/gtc/
Sign up for our insideHPC Newsletter: http://insidehpc.com/newsletter
Clojure And Swing
Clojure and Swing – a new productivity sweet spot? discusses how Clojure, a Lisp dialect that runs on the JVM, can be used to develop graphical user interfaces (GUIs) using Java Swing in a more productive way than plain Java. It presents several advantages of Clojure for Swing development, such as reducing boilerplate code, easier definition of actions and event bindings, and increased flexibility and reusability through functional programming techniques. Examples are provided of common Swing programming tasks implemented more concisely and readably in Clojure compared to Java. The document concludes that Clojure is a powerful and flexible language that offers opportunities to apply Lisp concepts to Swing GUI development
Copy of Copy of Untitled presentation (1).pdf
Joseph graduated from Newcastle University with a degree in mechanical engineering. He has experience working as an intern at a software company and an engineering firm. He has various personal projects posted on his social media profiles related to engineering, programming, and data analysis. His skills include CAD software, MATLAB, Python, JavaScript, and web development frameworks. He is passionate about learning new technologies and solving problems.
Scala can do this, too
This will be a talk about a few past projects which, at least at first glance, might not seem like the best fit for Scala. A combination of language features and libraries enabled rapid development on each of these projects, while keeping the rate of bugs (relatively) low, and performance (relatively) high.
Greedy subtourcrossover.arob98
This summary provides the high level information from the document in 3 sentences:
The document describes a Java program that uses a genetic algorithm and 2-opt heuristic to rapidly solve travelling salesperson problems. The program is available as an applet on a website where users can generate TSP instances, run the solver, and compare it to other algorithms. The authors developed the program and website to objectively evaluate new TSP algorithms by allowing researchers to run their solvers on the same test instances and machine as the genetic algorithm solver.
mloc.js 2014 - JavaScript and the browser as a platform for game development
JavaScript and the browser can be a viable platform for game development, as demonstrated by games like Polycraft and a Quake 4 demo ported to JavaScript. However, to reach the level of native applications, improvements are needed in areas like memory usage, parallelism, and floating point performance. Specifically, typed objects could help memory usage, a task-based parallelism API could improve multi-core support, and SIMD and single-precision floats could enhance performance of common game operations like vectors and matrices.
Move from C to Go
This document discusses moving from C to Go and compares various aspects of memory allocation between the two languages. It covers how arrays are values in Go rather than pointers, stack allocation versus heap allocation, and Go's garbage collector. It also provides an overview of the Go toolchain including supported architectures and compares performance of GCCGO versus the standard Go compiler. Finally, it explains Go's M:N user-space scheduler model and how goroutines are scheduled across logical processors.
openGL basics for sample program (1).ppt
The document outlines the course learning objectives and outcomes for a Computer Graphics & Visualization laboratory course using OpenGL. The course aims to teach simple algorithms and implementation of line drawing, clipping, and 2D/3D modeling and rendering using OpenGL functions. Students will complete programming assignments to demonstrate techniques like Bézier curves, polygon filling, and develop a mini-project using OpenGL APIs.
openGL basics for sample program.ppt
The document outlines the course learning objectives and outcomes for a Computer Graphics & Visualization laboratory course using OpenGL. The course aims to teach simple algorithms and implementation of line drawing, clipping, and 2D/3D modeling and rendering using OpenGL functions. Students will complete programming assignments to demonstrate techniques like Bézier curves, polygon filling, and develop a mini-project using OpenGL APIs.
Minimal Introduction to C++ - Part I
Minimal Introduction to C++ - Part I. C++ (pronounced "see plus plus") is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language. It is regarded as an intermediate-level language, as it comprises both high-level and low-level language features. Developed by Bjarne Stroustrup starting in 1979 at Bell Labs, C++ was originally named C with Classes, adding object oriented features, such as classes, and other enhancements to the C programming language.
Similar to Google Code Jam Practice (20)
mago3D: A brand new Geo-BIM platform on top of Cesium & World Wind
mago3D: A brand new Geo-BIM platform on top of Cesium & World Wind
mloc.js 2014 - JavaScript and the browser as a platform for game development
mloc.js 2014 - JavaScript and the browser as a platform for game development
More from guestef7fea
Notes
The document contains test notes about checking if something is working properly and mentions being hacked. It also states something is super cool at the end.
Blank
This very short document contains a single word - "yellow" - followed by the abbreviation "sub" and then the phrase "End of story". It does not provide enough context to generate a meaningful multi-sentence summary.
Blank
This very short document contains only two short sentences that do not provide much meaningful information to summarize. The document states "Little milk" and "Hmmm nice" but does not have enough context or details to understand its purpose or generate a useful 3 sentence or less summary.
Blank
This very short document contains a single word - "yellow" - followed by the abbreviation "sub" and then the phrase "End of story". It provides little context or information to summarize in just 3 sentences.
Notes
The document contains test notes about checking if something is working properly and mentions being hacked. It also states something is super cool at the end.
Blank
This very short document contains a single word - "yellow" - followed by some non-standard characters and the phrase "sub End of story" in two sentences or less. It refers to a directory named "yellow" and indicates the end of a story in a subordinate section.
Blank
This very short document contains a single word - "yellow" - followed by the abbreviation "sub" and then the phrase "End of story". It does not provide enough context to generate a meaningful multi-sentence summary.
Blank
This very short document contains only two short phrases. It mentions "Little milk" and calls something "nice", but provides no other context or details to understand its meaning or purpose. The document is too brief to produce a meaningful summary.
1 How Stupid Can We Get
This document presents a series of rhetorical questions about different extremes of human behavior and traits. It asks what the height of secrecy is, such as offering blank visiting cards, and what the height of laziness is, like asking for a lift while on a morning walk. Other heights mentioned include craziness, forgetfulness, stupidity, honesty, suicide, dehydration. Examples of each extreme trait are given, such as a cow giving milk powder to represent the height of dehydration.
1 How Stupid Can We Get
The document lists various hypothetical scenarios that represent extremes of human traits and behaviors. It provides examples of the height of secrecy being offering blank visiting cards, the height of laziness being asking for a lift while on a morning walk, and the height of craziness being getting a blank paper xeroxed. It also gives the height of forgetfulness as seeing oneself in the mirror and trying to remember the last time one saw that person, the height of stupidity as a man looking through the keyhole of a glass door, the height of honesty as a pregnant woman taking one and a half tickets, the height of suicide as a dwarf jumping off a footpath, and the height of dehydration as a cow giving milk powder
Travel Club Training Presentation Final
The document summarizes various travel subscription and package deals being offered by The Travel Club, including:
1) A private travel subscription that provides savings of up to $700 per year and $2,150 in total savings on hotels, resorts, car rentals, tours, and more in over 25,000 locations worldwide.
2) A promotional holiday certificate from Destinations 'R Us that provides average savings of $1,100 and allows stays in Australia and overseas locations.
3) An Aussie Breaks holiday program that provides average savings of $350 with meal deals and free second nights at Australian accommodations.
Notes
The document contains test notes about checking if something is working properly and mentions being hacked. It also states something is super cool at the end.
Google Code Jam Practice
The document provides practice problems for Google Code Jam. The first problem involves calculating the maximum area rectangle that can be formed from the skyline of a city made of rectangular buildings. The input specifies the number of buildings and their widths and heights. The output is the area of the largest possible block. The second problem involves finding the shortest flight path for a galaxy crawler to visit stock exchanges on different planets while traveling through hyperspace jumpgates connecting the planets. The input specifies the planets, stock exchanges, and connections. The output lists the planets on the optimal path.
Notes
The document contains test notes about whether something is working correctly and mentions being hacked. It also states something is super cool.
Notes
The document contains test notes about checking if something is working properly and mentions being hacked. It also states something is super cool at the end.
taking time
The document contains test notes about checking if something is working properly and mentions being hacked. It also states something is super cool at the end.
More from guestef7fea (20)
Recently uploaded
20240609 QFM020 Irresponsible AI Reading List May 2024
Everything I found interesting about the irresponsible use of machine intelligence in May 2024
UiPath Test Automation using UiPath Test Suite series, part 6
Welcome to UiPath Test Automation using UiPath Test Suite series part 6. In this session, we will cover Test Automation with generative AI and Open AI.
UiPath Test Automation with generative AI and Open AI webinar offers an in-depth exploration of leveraging cutting-edge technologies for test automation within the UiPath platform. Attendees will delve into the integration of generative AI, a test automation solution, with Open AI advanced natural language processing capabilities.
Throughout the session, participants will discover how this synergy empowers testers to automate repetitive tasks, enhance testing accuracy, and expedite the software testing life cycle. Topics covered include the seamless integration process, practical use cases, and the benefits of harnessing AI-driven automation for UiPath testing initiatives. By attending this webinar, testers, and automation professionals can gain valuable insights into harnessing the power of AI to optimize their test automation workflows within the UiPath ecosystem, ultimately driving efficiency and quality in software development processes.
What will you get from this session?
1. Insights into integrating generative AI.
2. Understanding how this integration enhances test automation within the UiPath platform
3. Practical demonstrations
4. Exploration of real-world use cases illustrating the benefits of AI-driven test automation for UiPath
Topics covered:
What is generative AI
Test Automation with generative AI and Open AI.
UiPath integration with generative AI
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
Uni Systems Copilot event_05062024_C.Vlachos.pdf
Unlocking Productivity: Leveraging the Potential of Copilot in Microsoft 365, a presentation by Christoforos Vlachos, Senior Solutions Manager – Modern Workplace, Uni Systems
“I’m still / I’m still / Chaining from the Block”
“An Outlook of the Ongoing and Future Relationship between Blockchain Technologies and Process-aware Information Systems.” Invited talk at the joint workshop on Blockchain for Information Systems (BC4IS) and Blockchain for Trusted Data Sharing (B4TDS), co-located with with the 36th International Conference on Advanced Information Systems Engineering (CAiSE), 3 June 2024, Limassol, Cyprus.
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024
In this session I delve into the encryption technology used in Microsoft 365 and Microsoft Purview. Including the concepts of Customer Key and Double Key Encryption.
GraphSummit Singapore | The Future of Agility: Supercharging Digital Transfor...
Leonard Jayamohan, Partner & Generative AI Lead, Deloitte
This keynote will reveal how Deloitte leverages Neo4j’s graph power for groundbreaking digital twin solutions, achieving a staggering 100x performance boost. Discover the essential role knowledge graphs play in successful generative AI implementations. Plus, get an exclusive look at an innovative Neo4j + Generative AI solution Deloitte is developing in-house.
Securing your Kubernetes cluster_ a step-by-step guide to success !
Today, after several years of existence, an extremely active community and an ultra-dynamic ecosystem, Kubernetes has established itself as the de facto standard in container orchestration. Thanks to a wide range of managed services, it has never been so easy to set up a ready-to-use Kubernetes cluster.
However, this ease of use means that the subject of security in Kubernetes is often left for later, or even neglected. This exposes companies to significant risks.
In this talk, I'll show you step-by-step how to secure your Kubernetes cluster for greater peace of mind and reliability.
Large Language Model (LLM) and it’s Geospatial Applications
Large Language Model (LLM) and it’s Geospatial Applications.
Essentials of Automations: The Art of Triggers and Actions in FME
In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation.
We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios.
Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AI
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AIVladimir Iglovikov, Ph.D.
Presented by Vladimir Iglovikov:
- https://www.linkedin.com/in/iglovikov/
- https://x.com/viglovikov
- https://www.instagram.com/ternaus/
This presentation delves into the journey of Albumentations.ai, a highly successful open-source library for data augmentation.
Created out of a necessity for superior performance in Kaggle competitions, Albumentations has grown to become a widely used tool among data scientists and machine learning practitioners.
This case study covers various aspects, including:
People: The contributors and community that have supported Albumentations.
Metrics: The success indicators such as downloads, daily active users, GitHub stars, and financial contributions.
Challenges: The hurdles in monetizing open-source projects and measuring user engagement.
Development Practices: Best practices for creating, maintaining, and scaling open-source libraries, including code hygiene, CI/CD, and fast iteration.
Community Building: Strategies for making adoption easy, iterating quickly, and fostering a vibrant, engaged community.
Marketing: Both online and offline marketing tactics, focusing on real, impactful interactions and collaborations.
Mental Health: Maintaining balance and not feeling pressured by user demands.
Key insights include the importance of automation, making the adoption process seamless, and leveraging offline interactions for marketing. The presentation also emphasizes the need for continuous small improvements and building a friendly, inclusive community that contributes to the project's growth.
Vladimir Iglovikov brings his extensive experience as a Kaggle Grandmaster, ex-Staff ML Engineer at Lyft, sharing valuable lessons and practical advice for anyone looking to enhance the adoption of their open-source projects.
Explore more about Albumentations and join the community at:
GitHub: https://github.com/albumentations-team/albumentations
Website: https://albumentations.ai/
LinkedIn: https://www.linkedin.com/company/100504475
Twitter: https://x.com/albumentations20240605 QFM017 Machine Intelligence Reading List May 2024
Everything I found interesting about machines behaving intelligently during May 2024
Climate Impact of Software Testing at Nordic Testing Days
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
“Building and Scaling AI Applications with the Nx AI Manager,” a Presentation...
“Building and Scaling AI Applications with the Nx AI Manager,” a Presentation...Edge AI and Vision Alliance
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/building-and-scaling-ai-applications-with-the-nx-ai-manager-a-presentation-from-network-optix/
Robin van Emden, Senior Director of Data Science at Network Optix, presents the “Building and Scaling AI Applications with the Nx AI Manager,” tutorial at the May 2024 Embedded Vision Summit.
In this presentation, van Emden covers the basics of scaling edge AI solutions using the Nx tool kit. He emphasizes the process of developing AI models and deploying them globally. He also showcases the conversion of AI models and the creation of effective edge AI pipelines, with a focus on pre-processing, model conversion, selecting the appropriate inference engine for the target hardware and post-processing.
van Emden shows how Nx can simplify the developer’s life and facilitate a rapid transition from concept to production-ready applications.He provides valuable insights into developing scalable and efficient edge AI solutions, with a strong focus on practical implementation.Alt. GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using ...
Effective Application Security in Software Delivery lifecycle using Deployment Firewall and DBOM
The modern software delivery process (or the CI/CD process) includes many tools, distributed teams, open-source code, and cloud platforms. Constant focus on speed to release software to market, along with the traditional slow and manual security checks has caused gaps in continuous security as an important piece in the software supply chain. Today organizations feel more susceptible to external and internal cyber threats due to the vast attack surface in their applications supply chain and the lack of end-to-end governance and risk management.
The software team must secure its software delivery process to avoid vulnerability and security breaches. This needs to be achieved with existing tool chains and without extensive rework of the delivery processes. This talk will present strategies and techniques for providing visibility into the true risk of the existing vulnerabilities, preventing the introduction of security issues in the software, resolving vulnerabilities in production environments quickly, and capturing the deployment bill of materials (DBOM).
Speakers:
Bob Boule
Robert Boule is a technology enthusiast with PASSION for technology and making things work along with a knack for helping others understand how things work. He comes with around 20 years of solution engineering experience in application security, software continuous delivery, and SaaS platforms. He is known for his dynamic presentations in CI/CD and application security integrated in software delivery lifecycle.
Gopinath Rebala
Gopinath Rebala is the CTO of OpsMx, where he has overall responsibility for the machine learning and data processing architectures for Secure Software Delivery. Gopi also has a strong connection with our customers, leading design and architecture for strategic implementations. Gopi is a frequent speaker and well-known leader in continuous delivery and integrating security into software delivery.
Mind map of terminologies used in context of Generative AI
Mind map of common terms used in context of Generative AI.
A tale of scale & speed: How the US Navy is enabling software delivery from l...
Rapid and secure feature delivery is a goal across every application team and every branch of the DoD. The Navy’s DevSecOps platform, Party Barge, has achieved:
- Reduction in onboarding time from 5 weeks to 1 day
- Improved developer experience and productivity through actionable findings and reduction of false positives
- Maintenance of superior security standards and inherent policy enforcement with Authorization to Operate (ATO)
Development teams can ship efficiently and ensure applications are cyber ready for Navy Authorizing Officials (AOs). In this webinar, Sigma Defense and Anchore will give attendees a look behind the scenes and demo secure pipeline automation and security artifacts that speed up application ATO and time to production.
We will cover:
- How to remove silos in DevSecOps
- How to build efficient development pipeline roles and component templates
- How to deliver security artifacts that matter for ATO’s (SBOMs, vulnerability reports, and policy evidence)
- How to streamline operations with automated policy checks on container images
GraphSummit Singapore | Graphing Success: Revolutionising Organisational Stru...
Sudheer Mechineni, Head of Application Frameworks, Standard Chartered Bank
Discover how Standard Chartered Bank harnessed the power of Neo4j to transform complex data access challenges into a dynamic, scalable graph database solution. This keynote will cover their journey from initial adoption to deploying a fully automated, enterprise-grade causal cluster, highlighting key strategies for modelling organisational changes and ensuring robust disaster recovery. Learn how these innovations have not only enhanced Standard Chartered Bank’s data infrastructure but also positioned them as pioneers in the banking sector’s adoption of graph technology.
Removing Uninteresting Bytes in Software Fuzzing
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
Recently uploaded (20)
20240609 QFM020 Irresponsible AI Reading List May 2024
20240609 QFM020 Irresponsible AI Reading List May 2024
UiPath Test Automation using UiPath Test Suite series, part 6
UiPath Test Automation using UiPath Test Suite series, part 6
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024
Encryption in Microsoft 365 - ExpertsLive Netherlands 2024
GraphSummit Singapore | The Future of Agility: Supercharging Digital Transfor...
GraphSummit Singapore | The Future of Agility: Supercharging Digital Transfor...
Monitoring Java Application Security with JDK Tools and JFR Events
Monitoring Java Application Security with JDK Tools and JFR Events
Securing your Kubernetes cluster_ a step-by-step guide to success !
Securing your Kubernetes cluster_ a step-by-step guide to success !
Large Language Model (LLM) and it’s Geospatial Applications
Large Language Model (LLM) and it’s Geospatial Applications
Essentials of Automations: The Art of Triggers and Actions in FME
Essentials of Automations: The Art of Triggers and Actions in FME
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AI
Enchancing adoption of Open Source Libraries. A case study on Albumentations.AI
20240605 QFM017 Machine Intelligence Reading List May 2024
20240605 QFM017 Machine Intelligence Reading List May 2024
Climate Impact of Software Testing at Nordic Testing Days
Climate Impact of Software Testing at Nordic Testing Days
“Building and Scaling AI Applications with the Nx AI Manager,” a Presentation...
“Building and Scaling AI Applications with the Nx AI Manager,” a Presentation...
Alt. GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using ...
Alt. GDG Cloud Southlake #33: Boule & Rebala: Effective AppSec in SDLC using ...
Mind map of terminologies used in context of Generative AI
Mind map of terminologies used in context of Generative AI
A tale of scale & speed: How the US Navy is enabling software delivery from l...
A tale of scale & speed: How the US Navy is enabling software delivery from l...
GraphSummit Singapore | Graphing Success: Revolutionising Organisational Stru...
GraphSummit Singapore | Graphing Success: Revolutionising Organisational Stru...
Google Code Jam Practice
- 1. Google Code Jam Practice Problems A - Big City Skyline You've just moved to the Big City so you could start work at the newest Google office, Google BC, and the one thing that interests you most is the beautiful skyline. You're sitting on a hillside ten miles away, looking at the big rectangular buildings that make up the city, and you think back to your childhood. When you were a child, you used to make toy cities out of rectangular blocks. Each building could be made from multiple blocks, and each block could be part of multiple buildings. Looking at the skyline, you wonder: what is the biggest possible block that could be part of the Big City's skyline? Write a program that takes the description of the skyline as an input, and gives the area of the maximum- area rectangle as output. This program should take less than 4 minutes to run on a 2GHz computer with 512MB of RAM, even for the biggest input size we specify. Input: The city is made out of rectangular buildings, all next to each other. The input will consist of an integer N, the number of buildings, followed by a series of N number pairs wi hi, indicating the width and height of each building in order from left to right. The buildings' heights will be less than 100,000,000, and their widths will be less than 1000. Easy: 0 < N < 1,000 Hard: 0 < N < 10,000,000 Output: A single number: the area of the largest possible block. (Here’s the beautiful skyline of the Big City.) Sample Input Sample Output Explanation 51 5 The biggest block is shaded black 5 7 1 20 3 5 6 3 2 10 in the figure above. Google Code Jam Practice Problems © Google Inc. - September 2007 p. 1
- 2. B - Universal Search You've just started your job at Google Moon, and you've been assigned to the universal search project: that is, of course, the functionality that lets people search for anything in the universe. Your starter project seems simple: find a flight path for the GCrawler (Galaxy Crawler) that will gather stock prices from all of the galactic stock exchanges, traveling between planets using Hyperspace Jumpgates. The known universe contains k stock exchanges and p inhabited planets. Each planet deals with one stock exchange, and every planet has a record of the stock prices for its exchange. Given a list of stock exchanges, their planets, and planet<->planet jumpgate connections, find a path for the GCrawler that contains the smallest number of jumpgates, but still passes through at least one planet from each stock exchange before returning home. Input: The input will start with p, the number of planets. Next will follow p lines of the form: planet_name stock_exchange connection1 connection2 ... connectionN If planet A connects to planet B, then planet B also connects to planet A. Planet and stock exchange names will contain only alphabetic characters [A-Za-z]. One of the planets will be named GoogleMoon; that is the start and end location for the GCrawler. Easy: 0 < p < 50, 0 < k < 5. Hard: 0 < p < 500, 0 < k < 16. Output: A series of planet names, separated by spaces, describing the path the GCrawler should take. Sample Input 5 GoogleMoon TheInternet Mars Earth Mars EarthStocks GoogleMoon AlphaCentauriII AlphaCetiV Earth EarthStocks GoogleMoon AlphaCentauriII AlphaStocks Mars AlphaCetiV AlphaCetiV AlphaStocks Mars AlphaCentauriII Sample Output GoogleMoon Mars AlphaCetiV Mars GoogleMoon Explanation The GCrawler has three stock exchanges to visit: TheInternet, EarthStocks and AlphaStocks. It starts on GoogleMoon, which deals with TheInternet; it then travels to Mars, which trades in EarthStocks, then to AlphaCetiV, which deals in AlphaStocks. Now it needs to get back home; the shortest route goes through Mars. Google Code Jam Practice Problems © Google Inc. - September 2007 p. 2