Below is my code for C++- I keep getting an error 43 5 C--Progr.pdf
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Below is my code for C++, I keep getting an error 43 5 C:\Program Files (x86)\Dev-Cpp\MinGW64\lib\gcc\x86_64-w64- mingw32\4.9.2\include\c++\bits\istream.tcc [Error] 'basic_istream' does not name a type I had it running perfectly until I messed with the istream.tcc PLEASE HELP //This program holds, in an array of string objects, five student names. //This program also uses an array of five characters to hold five students' letter grades //and five arrays of four doubles to hold each student's set of test scores. #include <iostream> using namespace std; const int NUM_TESTS = 4; // Number of tests const int NUM_STUDENTS = 5; // Number of students double inputValidate(double); void getStudentTestScores(double[]); double calculateAverageOfArray(const double[], int); char getAverageLetterGrade(double); void getStudentNames(string[]); void getAllTestScores(const string[], double[], double[], double[], double[], double[]); void calculateAndDisplayAverages(const string[], const double[], const double[], const double[], const double[], const double[]); int main() { string studentNames[NUM_STUDENTS]; double student1TestScores[NUM_TESTS]; double student2TestScores[NUM_TESTS]; double student3TestScores[NUM_TESTS]; double student4TestScores[NUM_TESTS]; double student5TestScores[NUM_TESTS]; getStudentNames(studentNames); //User input student names getAllTestScores(studentNames, //User input student test scores student1TestScores, student2TestScores, student3TestScores, student4TestScores, student5TestScores); calculateAndDisplayAverages(studentNames, student1TestScores, student2TestScores, student3TestScores, student4TestScores, student5TestScores); return 0; } void getStudentNames(string studentNames[]) { cout << "Enter Student Names: " << endl; for(int i = 0; i < NUM_STUDENTS; i++) { cout << "Student " << (i + 1) << " Name: "; getline(cin, studentNames[i]); } } void getAllTestScores(const string studentNames[], double student1TestScores[], double student2TestScores[], double student3TestScores[], double student4TestScores[], double student5TestScores[]) { cout << "\nEnter test scores for " << studentNames[0] << endl; getStudentTestScores(student1TestScores); cout << "\nEnter test scores for " << studentNames[1] << endl; getStudentTestScores(student2TestScores); cout << "\nEnter test scores for " << studentNames[2] << endl; getStudentTestScores(student3TestScores); cout << "\nEnter test scores for " << studentNames[3] << endl; getStudentTestScores(student4TestScores); cout << "\nEnter test scores for " << studentNames[4] << endl; getStudentTestScores(student5TestScores); } void getStudentTestScores(double array[]) { for (int i = 0; i < NUM_TESTS; i++) { cout << "Test Number" << (i + 1) << ": "; array[i] = inputValidate(array[i]); } } double inputValidate(double number) { while(!(cin >> number) || (number < 0 || number > 100)) { cout << "Error. A number from 0 - 100 must be entered: "; cin.clear(); } return number; } void calculateAndDisplayAverages(const s.
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![Below is my code for C++, I keep getting an error
43 5 C:Program Files (x86)Dev-CppMinGW64libgccx86_64-w64-
mingw324.9.2includec++bitsistream.tcc [Error] 'basic_istream' does not name a type
I had it running perfectly until I messed with the istream.tcc
PLEASE HELP
//This program holds, in an array of string objects, five student names.
//This program also uses an array of five characters to hold five students' letter grades
//and five arrays of four doubles to hold each student's set of test scores.
#include <iostream>
using namespace std;
const int NUM_TESTS = 4; // Number of tests
const int NUM_STUDENTS = 5; // Number of students
double inputValidate(double);
void getStudentTestScores(double[]);
double calculateAverageOfArray(const double[], int);
char getAverageLetterGrade(double);
void getStudentNames(string[]);
void getAllTestScores(const string[],
double[],
double[],
double[],
double[],
double[]);
void calculateAndDisplayAverages(const string[],](https://image.slidesharecdn.com/belowismycodeforc-ikeepgettinganerror435c-progr-230316041040-bf75a242/85/Below-is-my-code-for-C-I-keep-getting-an-error-43-5-C-Progr-pdf-1-320.jpg)
![const double[],
const double[],
const double[],
const double[],
const double[]);
int main()
{
string studentNames[NUM_STUDENTS];
double student1TestScores[NUM_TESTS];
double student2TestScores[NUM_TESTS];
double student3TestScores[NUM_TESTS];
double student4TestScores[NUM_TESTS];
double student5TestScores[NUM_TESTS];
getStudentNames(studentNames); //User input student names
getAllTestScores(studentNames, //User input student test scores
student1TestScores,
student2TestScores,
student3TestScores,
student4TestScores,
student5TestScores);
calculateAndDisplayAverages(studentNames,
student1TestScores,
student2TestScores,](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Answer using basic programming beginner knowledge pls...........Othe.pdf
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explicit respond.
pls do post your program output........ thanks
A teacher has five students who have taken four tests. The teacher uses the following grading
scale to assign a letter grade to a student, based on the average of his or her four test scores:
Test Score Letter Grade
90–100 A
80–89 B
70–79 C
60–69 D
0–59 F
Write a class that uses a String array to hold the five students’ names,
an array of five characters to hold the five students’ letter grades, and five arrays of four
doubles each to hold each student’s set of test scores. The class should have methods that
return a specific student’s name, the average test score, and a letter grade based on the average.
Demonstrate the class in a program that allows the user to enter each student’s name and his
or her four test scores. It should then display each student’s average test score and letter grade.
Input Validation: Do not accept test scores less than zero or greater than 100.
MY SOLUTION SO FAR
1 /* Write a class that uses and
2 The class should have methods thatreturn a specific student’s name,
3 the average test score, and a letter grade based on the average.
4
5 Demonstrate the class in a program that
6 and hisor her four test scores. It should then display each student’s average
7 test score and letter grade.
8 */
9
10 import java.util.Scanner;
11
12 public class GradeBook
13 {
14 // The Scores field is a variable
15 // that will reference an array
16 // of test scores.
17 private double[] scores;
18
19 /** Constructor
20 @param scoreArray An array of testscores.
21 */
22 public GradeBook(double[] scoreArray)
23 {
24 // Assign the array argument to the testScores field.
25 scores = scoreArray;
26 }
27
28 //create a scanner Object to read user input.
29 Scanner keyboard = new Scanner(System.in);
30
31 //allows the user to enter each student’s name
32 public String getStudentName()
33 {
34 String[] name = {\"\"};
35 String studentName = (\"\");
36
37 //loop through for five students names input.
38 for(int i = 0; i < name.length + 1; i++)
39 {
40 System.out.print(\"Enter student name #\" + (i+1) + \":\");;
41 studentName = keyboard.nextLine();
42 }
43
44 // Create the account.
45 array[i] = new GradeBook(studentName);
46 return studentName;
47 }
48
49 //user input four test scores for each student.
50 //display each student’s average test score.
51 public double getAverageTestScore(){
52 double totalTestScore = 0;
53 double score;
54
55 //ask user for four test scores using a for loop
56 for(int i = 0; i < scores.length; i++)
57 {
58 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
59 score = keyboard.nextDouble();
60
61
62 //Input Validation: Do not accept test scores less than zero or greater than 100.
63 if(score < 0 || score > 100){
64 System.out.println(\"ERROR: You must enter a test score between -1 and 101. \");
65
66 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
.
#include stdafx.h#include iostream#include string#incl.pdf
#include \"stdafx.h\"
#include
#include
#include
#include
#include
using namespace std;
struct StudentData
{
int studentID;
string first_name;
string last_name;
int exam1;
int exam2;
int exam3;
int total;
char ch;
};
const int SIZE = 9;
const int INFO = 4;
// Function prototypes
void openInputFile(ifstream &, string);
void getTotal(StudentData[]);
void getGrade(StudentData[]);
void calcLowest(StudentData[], int &, int &, int &, int &, int[]);
void calcHighest(StudentData[], int &, int &, int &, int &, int[]);
void getAverage(StudentData[], int, double &, double &, double &, double &, double[]);
void getStd(StudentData[], double &, double &, double &, double &, double &, double &,
double &, double &, double[]);
void print(StudentData[], int[], int[], double[], double[]);
void sort(StudentData[]);
int main()
{
// Variables
StudentData arr[SIZE];
int lowest1, lowest2, lowest3, lowest4; // Stores lowest exam scores
int highest1, highest2, highest3, highest4; // Holds highest exam scores
double average1 = 0, average2 = 0, average3 = 0, average4 = 0; // Represents average of each
exam
double std1 = 0, std2 = 0, std3 = 0, std4 = 0; // Holds standard deviation for Exams 1-3 and
Total
int lowest[INFO] = {};
int highest[INFO] = {};
double average[INFO] = {};
double standardDeviation[INFO] = {};
ifstream inFile;
string inFileName = \"C:\\\\Users\\\\Lisa\\\\Desktop\\\\scores.txt\";
// Call function to read data in file
openInputFile(inFile, inFileName);
// Read data into an array of structs
for(int count = 0; count < SIZE; count++)
{
inFile >> arr[count].studentID >> arr[count].first_name >> arr[count].last_name >>
arr[count].exam1 >> arr[count].exam2 >> arr[count].exam3;
}
// Close input file
inFile.close();
// Get score total for each student
getTotal(arr);
// Determine grade for each student
getGrade(arr);
// Calculate lowest scores in each exam and total scores
calcLowest(arr, lowest1, lowest2, lowest3, lowest4, lowest);
// Calculate highest scores in each exam and total scores
calcHighest(arr, highest1, highest2, highest3, highest4, highest);
// Calculate average of each exam and the average of the total scores
getAverage(arr, SIZE, average1, average2, average3, average4, average);
// Calculate standard deviation of each category
getStd(arr, std1, std2, std3, std4, average1, average2, average3, average4, standardDeviation);
cout << \"\ \";
// Print unsorted data
print(arr, lowest, highest, average, standardDeviation);
cout << \"\ \";
// Sort data
sort(arr);
// Print sorted data
print(arr, lowest, highest, average, standardDeviation);
system(\"PAUSE\");
return 0;
}
/**
* Pre-condition:
* Post-condition:
*/
void openInputFile(ifstream &inFile, string inFileName)
{
//Open the file
inFile.open(inFileName);
//Input validation
if (!inFile)
{
cout << \"Error to open file.\" << endl;
cout << endl;
return;
}
}
/**
* Pre-condition:
* Post-condition:
*/
void getTotal(StudentData arr[])
{
for(int i = 0; i < SIZE; i++)
{
arr[i].total = arr[i].exam1 + arr[i].exam.
CMIS 102 HANDS-ON LAB WEEK 6 OVERVIEW THIS HANDS-ON LAB ALLOWS YOU TO FOLLOW ...
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#include -string- #include -string- #include -vector- #include -iostre (1).pdf
#include <string>
#include <string>
#include <vector>
#include <iostream>
using namespace std;
enum Gender {
MALE,
FEMALE
};
class Student {
private:
long id; // Unique ID
string name; // Name of student
Gender gender; // Gender of student
string courseCode; // Course code (CIIC or ICOM)
double gpa; // GPA of student
public:
Student(long id, const string &name, Gender gender, double gpa){
this->id = id;
this->name = name;
this->gender = gender;
this->courseCode = "";
this->gpa = gpa;
}
Student(long id, const string &name, Gender gender, string courseCode, double gpa){
this->id = id;
this->name = name;
this->gender = gender;
this->courseCode = courseCode;
this->gpa = gpa;
}
Student(){}
static string toString(Student& s){
string genderLetter = (s.gender == MALE ? "M" : "F");
return string("{" + to_string(s.id) + "," + s.name + "," + genderLetter + "," + to_string(s.gpa) +
"}");
}
static string toString(vector<Student>& v){
string result = "{";
for (Student s : v) {
result += toString(s) + ",";
}
result += "}";
return result;
}
static string toString(vector<long>& v){
string result = "{";
for (long id : v) {
result += to_string(id) + ",";
}
result += "}";
return result;
}
// Getters
long getID() const {return id;}
string getName() const {return name;}
Gender getGender() const {return gender;}
double getGPA() const {return gpa;}
string getCourseCode() const {return courseCode;}
//Setters
void setName(string name){this->name = name;}
void setGender(Gender gender){this->gender = gender;}
void setGPA(double gpa){this->gpa = gpa;}
void setCourseCode(string code){this->courseCode = code;}
// EXERCISES
static double maxStudentGPA(vector<Student>::iterator begin, vector<Student>::iterator end);
static double minStudentGPA(vector<Student>::iterator begin, vector<Student>::iterator end);
static double averageGPA(vector<Student>::iterator begin, vector<Student>::iterator end, int N);
static vector<long> countStudents(vector<Student>::iterator begin, vector<Student>::iterator
end, string code);
static vector<Student> removeByID(vector<Student>::iterator begin, vector<Student>::iterator
end, long ID);
static vector<Student> updateStudent(vector<Student>::iterator begin, vector<Student>::iterator
end, const Student &s);
static vector<Student> findStudents(vector<Student>::iterator begin, vector<Student>::iterator
end, float gpa);
static vector<Student> honorIdentifier(vector<Student>::iterator v1_begin,
vector<Student>::iterator v1_end, vector<Student>::iterator v2_begin, vector<Student>::iterator
v2_end);
};
/*
* EXERCISE: #1A
*
* Returns the highest GPA value possessed by any Student in the given list
* starting at the begin iterator up to and not including the end iterator.
*
*/
double Student::maxStudentGPA(vector<Student>::iterator begin, vector<Student>::iterator end)
{
//YOUR CODE HERE
}
/*
* EXERCISE: #1B
*
* Returns the lowest GPA value possessed by any Student in the given list.
* starting at the begin iterator up to and not including the end iterat.
#include iostream #include string using namespace std;int .docx
#include iostream #include string using namespace std;int
@author Jane Programmer @cwid 123 45 678 @class.docx
/**
* @author Jane Programmer
* @cwid 123 45 678
* @class COSC 2336, Spring 2019
* @ide Visual Studio Community 2017
* @date January 12, 2019
* @assg Assignment 04
*
* @description Assignment 04 Practice defining recursive functions. We
* implement factorial and counting combinations functions using the
* binomial coefficient in this assignment. This file containts unit
* tests of the required functions for this assignment.
*/
#include <iostream>
#include <cassert>
#include <chrono> // measure elapsed time of functions using high resolution clock
#include "BinomialFunctions.hpp"
using namespace std;
/** main
* The main entry point for this program. Execution of this program
* will begin with this main function.
*
* @param argc The command line argument count which is the number of
* command line arguments provided by user when they started
* the program.
* @param argv The command line arguments, an array of character
* arrays.
*
* @returns An int value indicating program exit status. Usually 0
* is returned to indicate normal exit and a non-zero value
* is returned to indicate an error condition.
*/
int main(int argc, char** argv)
{
// test iterative version of factorial
cout << "Testing iterative version factorialIterative() " << endl;
cout << "-------------------------------------------------------------" << endl;
bigint res;
//res = factorialIterative(0);
//cout << "Test base case: factorialIterative(0) = " << res << endl;
//assert(res == 1);
//res = factorialIterative(1);
//cout << "Test edge case: factorialIterative(1) = " << res << endl;
//assert(res == 1);
//res = factorialIterative(-1);
//cout << "Test error case: factorialIterative(-1) = " << res << endl;
//assert(res == 1);
//res = factorialIterative(10);
//cout << "Test general case: factorialIterative(10) = " << res << endl;
//assert(res == 3628800);
//res = factorialIterative(12);
//cout << "Test general case (largest 32 bit int): factorialIterative(12) = " << res << endl;
//assert(res == 479001600);
//res = factorialIterative(20);
//cout << "Test general case (largest 64 bit int): factorialIterative(20) = " << res << endl;
//assert(res == 2432902008176640000);
// timing test for factorialIterative, do it 10000 times and see how much time
// elapses
// https://www.pluralsight.com/blog/software-development/how-to-measure-execution-time-intervals-in-c--
const int NUM_TIMING_LOOPS = 10000;
//auto start = chrono::high_resolution_clock::now();
//for (int testnum = 0; testnum < NUM_TIMING_LOOPS; testnum++)
//{
// res = factorialIterative(20);
//}
//auto finish = chrono::high_resolution_clock::now();
//chrono::duration<double> elapsed = finish - start;
//cout << "Elapsed time " << NUM_TIMING_LOOPS << " loops of factorialIterative(20) "
// << elapsed.count() << endl;
// test recursive version of factorial
cout << endl;
co.
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Answer using basic programming beginner knowledge pls...........Othe.pdf
Answer using basic programming beginner knowledge pls...........Otherwiselet someone more
explicit respond.
pls do post your program output........ thanks
A teacher has five students who have taken four tests. The teacher uses the following grading
scale to assign a letter grade to a student, based on the average of his or her four test scores:
Test Score Letter Grade
90–100 A
80–89 B
70–79 C
60–69 D
0–59 F
Write a class that uses a String array to hold the five students’ names,
an array of five characters to hold the five students’ letter grades, and five arrays of four
doubles each to hold each student’s set of test scores. The class should have methods that
return a specific student’s name, the average test score, and a letter grade based on the average.
Demonstrate the class in a program that allows the user to enter each student’s name and his
or her four test scores. It should then display each student’s average test score and letter grade.
Input Validation: Do not accept test scores less than zero or greater than 100.
MY SOLUTION SO FAR
1 /* Write a class that uses and
2 The class should have methods thatreturn a specific student’s name,
3 the average test score, and a letter grade based on the average.
4
5 Demonstrate the class in a program that
6 and hisor her four test scores. It should then display each student’s average
7 test score and letter grade.
8 */
9
10 import java.util.Scanner;
11
12 public class GradeBook
13 {
14 // The Scores field is a variable
15 // that will reference an array
16 // of test scores.
17 private double[] scores;
18
19 /** Constructor
20 @param scoreArray An array of testscores.
21 */
22 public GradeBook(double[] scoreArray)
23 {
24 // Assign the array argument to the testScores field.
25 scores = scoreArray;
26 }
27
28 //create a scanner Object to read user input.
29 Scanner keyboard = new Scanner(System.in);
30
31 //allows the user to enter each student’s name
32 public String getStudentName()
33 {
34 String[] name = {\"\"};
35 String studentName = (\"\");
36
37 //loop through for five students names input.
38 for(int i = 0; i < name.length + 1; i++)
39 {
40 System.out.print(\"Enter student name #\" + (i+1) + \":\");;
41 studentName = keyboard.nextLine();
42 }
43
44 // Create the account.
45 array[i] = new GradeBook(studentName);
46 return studentName;
47 }
48
49 //user input four test scores for each student.
50 //display each student’s average test score.
51 public double getAverageTestScore(){
52 double totalTestScore = 0;
53 double score;
54
55 //ask user for four test scores using a for loop
56 for(int i = 0; i < scores.length; i++)
57 {
58 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
59 score = keyboard.nextDouble();
60
61
62 //Input Validation: Do not accept test scores less than zero or greater than 100.
63 if(score < 0 || score > 100){
64 System.out.println(\"ERROR: You must enter a test score between -1 and 101. \");
65
66 System.out.print(\"Enter Test Score #\" + (i+1) + \":\");
.
#include stdafx.h#include iostream#include string#incl.pdf
#include \"stdafx.h\"
#include
#include
#include
#include
#include
using namespace std;
struct StudentData
{
int studentID;
string first_name;
string last_name;
int exam1;
int exam2;
int exam3;
int total;
char ch;
};
const int SIZE = 9;
const int INFO = 4;
// Function prototypes
void openInputFile(ifstream &, string);
void getTotal(StudentData[]);
void getGrade(StudentData[]);
void calcLowest(StudentData[], int &, int &, int &, int &, int[]);
void calcHighest(StudentData[], int &, int &, int &, int &, int[]);
void getAverage(StudentData[], int, double &, double &, double &, double &, double[]);
void getStd(StudentData[], double &, double &, double &, double &, double &, double &,
double &, double &, double[]);
void print(StudentData[], int[], int[], double[], double[]);
void sort(StudentData[]);
int main()
{
// Variables
StudentData arr[SIZE];
int lowest1, lowest2, lowest3, lowest4; // Stores lowest exam scores
int highest1, highest2, highest3, highest4; // Holds highest exam scores
double average1 = 0, average2 = 0, average3 = 0, average4 = 0; // Represents average of each
exam
double std1 = 0, std2 = 0, std3 = 0, std4 = 0; // Holds standard deviation for Exams 1-3 and
Total
int lowest[INFO] = {};
int highest[INFO] = {};
double average[INFO] = {};
double standardDeviation[INFO] = {};
ifstream inFile;
string inFileName = \"C:\\\\Users\\\\Lisa\\\\Desktop\\\\scores.txt\";
// Call function to read data in file
openInputFile(inFile, inFileName);
// Read data into an array of structs
for(int count = 0; count < SIZE; count++)
{
inFile >> arr[count].studentID >> arr[count].first_name >> arr[count].last_name >>
arr[count].exam1 >> arr[count].exam2 >> arr[count].exam3;
}
// Close input file
inFile.close();
// Get score total for each student
getTotal(arr);
// Determine grade for each student
getGrade(arr);
// Calculate lowest scores in each exam and total scores
calcLowest(arr, lowest1, lowest2, lowest3, lowest4, lowest);
// Calculate highest scores in each exam and total scores
calcHighest(arr, highest1, highest2, highest3, highest4, highest);
// Calculate average of each exam and the average of the total scores
getAverage(arr, SIZE, average1, average2, average3, average4, average);
// Calculate standard deviation of each category
getStd(arr, std1, std2, std3, std4, average1, average2, average3, average4, standardDeviation);
cout << \"\ \";
// Print unsorted data
print(arr, lowest, highest, average, standardDeviation);
cout << \"\ \";
// Sort data
sort(arr);
// Print sorted data
print(arr, lowest, highest, average, standardDeviation);
system(\"PAUSE\");
return 0;
}
/**
* Pre-condition:
* Post-condition:
*/
void openInputFile(ifstream &inFile, string inFileName)
{
//Open the file
inFile.open(inFileName);
//Input validation
if (!inFile)
{
cout << \"Error to open file.\" << endl;
cout << endl;
return;
}
}
/**
* Pre-condition:
* Post-condition:
*/
void getTotal(StudentData arr[])
{
for(int i = 0; i < SIZE; i++)
{
arr[i].total = arr[i].exam1 + arr[i].exam.
CMIS 102 HANDS-ON LAB WEEK 6 OVERVIEW THIS HANDS-ON LAB ALLOWS YOU TO FOLLOW ...
CMIS 102 HANDS-ON LAB WEEK 6 OVERVIEW THIS HANDS-ON LAB ALLOWS YOU TO FOLLOW AND EXPERIMENT WITH THE CRITICAL STEPS OF DEVELOPING A PROGRAM INCLUDING THE PROGRAM DESCRIPTION,
#include -string- #include -string- #include -vector- #include -iostre (1).pdf
#include <string>
#include <string>
#include <vector>
#include <iostream>
using namespace std;
enum Gender {
MALE,
FEMALE
};
class Student {
private:
long id; // Unique ID
string name; // Name of student
Gender gender; // Gender of student
string courseCode; // Course code (CIIC or ICOM)
double gpa; // GPA of student
public:
Student(long id, const string &name, Gender gender, double gpa){
this->id = id;
this->name = name;
this->gender = gender;
this->courseCode = "";
this->gpa = gpa;
}
Student(long id, const string &name, Gender gender, string courseCode, double gpa){
this->id = id;
this->name = name;
this->gender = gender;
this->courseCode = courseCode;
this->gpa = gpa;
}
Student(){}
static string toString(Student& s){
string genderLetter = (s.gender == MALE ? "M" : "F");
return string("{" + to_string(s.id) + "," + s.name + "," + genderLetter + "," + to_string(s.gpa) +
"}");
}
static string toString(vector<Student>& v){
string result = "{";
for (Student s : v) {
result += toString(s) + ",";
}
result += "}";
return result;
}
static string toString(vector<long>& v){
string result = "{";
for (long id : v) {
result += to_string(id) + ",";
}
result += "}";
return result;
}
// Getters
long getID() const {return id;}
string getName() const {return name;}
Gender getGender() const {return gender;}
double getGPA() const {return gpa;}
string getCourseCode() const {return courseCode;}
//Setters
void setName(string name){this->name = name;}
void setGender(Gender gender){this->gender = gender;}
void setGPA(double gpa){this->gpa = gpa;}
void setCourseCode(string code){this->courseCode = code;}
// EXERCISES
static double maxStudentGPA(vector<Student>::iterator begin, vector<Student>::iterator end);
static double minStudentGPA(vector<Student>::iterator begin, vector<Student>::iterator end);
static double averageGPA(vector<Student>::iterator begin, vector<Student>::iterator end, int N);
static vector<long> countStudents(vector<Student>::iterator begin, vector<Student>::iterator
end, string code);
static vector<Student> removeByID(vector<Student>::iterator begin, vector<Student>::iterator
end, long ID);
static vector<Student> updateStudent(vector<Student>::iterator begin, vector<Student>::iterator
end, const Student &s);
static vector<Student> findStudents(vector<Student>::iterator begin, vector<Student>::iterator
end, float gpa);
static vector<Student> honorIdentifier(vector<Student>::iterator v1_begin,
vector<Student>::iterator v1_end, vector<Student>::iterator v2_begin, vector<Student>::iterator
v2_end);
};
/*
* EXERCISE: #1A
*
* Returns the highest GPA value possessed by any Student in the given list
* starting at the begin iterator up to and not including the end iterator.
*
*/
double Student::maxStudentGPA(vector<Student>::iterator begin, vector<Student>::iterator end)
{
//YOUR CODE HERE
}
/*
* EXERCISE: #1B
*
* Returns the lowest GPA value possessed by any Student in the given list.
* starting at the begin iterator up to and not including the end iterat.
#include iostream #include string using namespace std;int .docx
#include iostream #include string using namespace std;int
@author Jane Programmer @cwid 123 45 678 @class.docx
/**
* @author Jane Programmer
* @cwid 123 45 678
* @class COSC 2336, Spring 2019
* @ide Visual Studio Community 2017
* @date January 12, 2019
* @assg Assignment 04
*
* @description Assignment 04 Practice defining recursive functions. We
* implement factorial and counting combinations functions using the
* binomial coefficient in this assignment. This file containts unit
* tests of the required functions for this assignment.
*/
#include <iostream>
#include <cassert>
#include <chrono> // measure elapsed time of functions using high resolution clock
#include "BinomialFunctions.hpp"
using namespace std;
/** main
* The main entry point for this program. Execution of this program
* will begin with this main function.
*
* @param argc The command line argument count which is the number of
* command line arguments provided by user when they started
* the program.
* @param argv The command line arguments, an array of character
* arrays.
*
* @returns An int value indicating program exit status. Usually 0
* is returned to indicate normal exit and a non-zero value
* is returned to indicate an error condition.
*/
int main(int argc, char** argv)
{
// test iterative version of factorial
cout << "Testing iterative version factorialIterative() " << endl;
cout << "-------------------------------------------------------------" << endl;
bigint res;
//res = factorialIterative(0);
//cout << "Test base case: factorialIterative(0) = " << res << endl;
//assert(res == 1);
//res = factorialIterative(1);
//cout << "Test edge case: factorialIterative(1) = " << res << endl;
//assert(res == 1);
//res = factorialIterative(-1);
//cout << "Test error case: factorialIterative(-1) = " << res << endl;
//assert(res == 1);
//res = factorialIterative(10);
//cout << "Test general case: factorialIterative(10) = " << res << endl;
//assert(res == 3628800);
//res = factorialIterative(12);
//cout << "Test general case (largest 32 bit int): factorialIterative(12) = " << res << endl;
//assert(res == 479001600);
//res = factorialIterative(20);
//cout << "Test general case (largest 64 bit int): factorialIterative(20) = " << res << endl;
//assert(res == 2432902008176640000);
// timing test for factorialIterative, do it 10000 times and see how much time
// elapses
// https://www.pluralsight.com/blog/software-development/how-to-measure-execution-time-intervals-in-c--
const int NUM_TIMING_LOOPS = 10000;
//auto start = chrono::high_resolution_clock::now();
//for (int testnum = 0; testnum < NUM_TIMING_LOOPS; testnum++)
//{
// res = factorialIterative(20);
//}
//auto finish = chrono::high_resolution_clock::now();
//chrono::duration<double> elapsed = finish - start;
//cout << "Elapsed time " << NUM_TIMING_LOOPS << " loops of factorialIterative(20) "
// << elapsed.count() << endl;
// test recursive version of factorial
cout << endl;
co.
12422, 744 PM Assignment_3localhost8888nbconverthtml.docx
12/4/22, 7:44 PM Assignment_3
localhost:8888/nbconvert/html/Assignment_3/Assignment_3.ipynb?download=false 1/11
INSTRUCTIONS:
* Add your code as indicated in each cell.
* Besides adding your code, do not alter this file.
* Do not delete or change test cases. Once you are done with a
question, you can run the test cases to see if you programmed the
question correctly.
* If you get a question wrong, do not give up. Keep trying until you
pass the test cases.
* Rename the file as firstname_lastname_assignmentid.ipynb (e.g.,
marina_johnson_assignment1.ipynb)
* Only submit .ipynb files (no .py files)
#
Question 1
1. Read the employee_attrition dataset and save it as df. Recall that the target variable in this
dataset is named 'Attrition.'
1. Check if the dataset is imbalanced by counting the number of Noes and Yeses in the target
variable Attrition.
Hints:
Imbalanced data refers to a situation where the number of observations is not the
same for all the classes in a dataset. For example, the number of churned
employees is 4000, while the number of unchurned employees is 40000. This
means this dataset is imbalanced.
You need to access the target variable Attrition and count how many Yes and No
there is in this variable. If the number of Yes's is equal to the number of No's, then
the dataset is balanced. Otherwise, it is not balanced.
In [138… # Do not delete this cell
import numpy as np
score = dict()
np.random.seed(333)
12/4/22, 7:44 PM Assignment_3
localhost:8888/nbconvert/html/Assignment_3/Assignment_3.ipynb?download=false 2/11
Check Module 5g: Encoding Categorical Variables to earn more about data
imbalance problems. Particularly, check 2.5: Balancing datasets in Module 5.
Do not alter the below cell. It is a test case for
Question 1
{'question 1': 'pass'}
#
Question 2
1. Identify the names of the numerical input variables and save it as a LIST
1. Identify the names of the categorical input variables+ and save it as a LIST
Hints:
Remember Attrition is the target (output) variable, so exclude Attrition from
both LISTS containing the numerical and categorical input variables.
Check Modules 5b: Dropping Variables and Module 3e: Helpful Functions
(check after minute 4)
Do not alter the below cell. It is a test case for
Question 2
In [139… import pandas as pd
df = # your code to read the dataset goes in here
number_of_yes = # your code to find the number
# of yeses in the Attrition variable goes in here
number_of_no = # your code to find the number
# of noes in the Attrition variable goes in here
In [140… try:
if (number_of_yes == 237 and number_of_no == 1233):
score['question 1'] = 'pass'
else:
score['question 1'] = 'fail'
except:
score['question 1'] = 'fail'
score
Out[140]:
In [141… numerical_variables = # Your code to identify numerical variables goes in here
categorical_varables = .
Lab Assignment #6, part 3 Time ConversionProgram Name lab.docx
//Lab Assignment #6, part 3: Time Conversion
//Program Name: lab6Part3
//Purpose of the program: converts time from military format to civilian format
//Authors: Wei Zhou and Shouwen Wang
//Date: 02/19/2016
#include<iostream>
#include <string>
using namespace std;
// get input time
int enterTime(int totalTime, int& hrVal, int& minVal)
{
cout << "please enter a military time(a value between 0000 and 2359) : ";
cin >> totalTime;
while (totalTime > 2359 || totalTime < 0) {
cout << "Error: you entered an invalid time. Try again." << endl;
cout << "please enter a military time(a value between 0000 and 2359) : ";
cin >> totalTime;
}
return totalTime;
}
//perform conversion
int ConvHrMin(int totalTime, int& hrVal, int& minVal) {
if (totalTime <= 1200) {
hrVal = totalTime / 100;
minVal = totalTime % 100;
}
else {
hrVal = totalTime / 100 - 12;
minVal = totalTime % 100;
}
return hrVal, minVal;
}
//display results
void finalOutput(){
int totalTime = 0;
int hrVal;
int minVal;
string morning;
string noon;
morning = "AM";
noon = "PM";
totalTime = enterTime(totalTime, hrVal, minVal);
hrVal = ConvHrMin(totalTime, hrVal, minVal);
minVal = ConvHrMin(totalTime, hrVal, minVal);
if (totalTime <= 1200) {
cout << "Time in civilian format£º " << hrVal << ':' << minVal << " " << morning << endl;
}
else {
cout << "Time in civilian format£º " << hrVal << ':' << minVal << " " << noon << endl;
}
}
int main()
{
cout << "Time Converter" << endl;
cout << "--------------" << endl;
finalOutput();
cout << endl;
return 0;
}
//Lab Assignment #7: Vectors
//Program Name: lab7part1
//Purpose of the program: working with vectors
//Authors: Wei Zhou
//Date: 03/03/2016
#include<iostream>
#include<iomanip>
#include<vector>
#include<string>
using namespace std;
//enter the number of boxes sold for each type of cookie
void numberSell(vector<string> cookienames, vector<int> &amount) {
int numberSales;
for (int i = 0; i < cookienames.size(); ++i)
{
cout << "Please enter the total sales for " << cookienames[i] << ": ";
cin >> numberSales;
while (numberSales < 0) {
cout << "Error: total sales cannot be a negative number." << endl;
cout << "Please enter the total sales for " << cookienames[i] << ": ";
cin >> numberSales;
}
amount.push_back(numberSales);
}
cout << endl;
}
//calculate total sales
int totalSales(vector<int> amount) {
int total = 0;
for (int i = 0; i < amount.size(); ++i)
{
total += amount[i];
}
return total;
}
//find the lowest selling cookie
string findBest(vector<string> cookienames, vector<int> amount) {
int highest = amount[0], exponent = 0;
for (int i = 1; i<amount.size(); ++i)
{
if (amount[i] >= highest)
{
highest = amount[i];
exponent = i;
}
}
return cookienames[exponent];
}
//find the highest selling cookie
string findWorst(vector<string> cookienames, vector<int> amount) {
int lowest = amount[0], exp ...
Classes(or Libraries)#include #include #include #include.docx
//Classes(or Libraries)
#include
#include
#include
#include
#include
//Used to shorten console commands
using namespace std;
//Programmer defined encapsulation of data and functions
class Department
{
private:
string DepartmentName, DepartmentHeadName, DepartmentID;
public:
// Constructors
Department()
{
}
Department(string id, string name)
{
DepartmentID = id;
DepartmentName = name;
DepartmentHeadName = "";
}
Department(string id, string name, string hn)
{
DepartmentID = id;
DepartmentName = name;
DepartmentHeadName = hn;
}
//Setter and getters(Accsesors)
string getDepId()
{
return DepartmentID;
}
string getDepartmentName()
{
return DepartmentName;
}
string getDepHeadName()
{
return DepartmentHeadName;
}
void setDepId(string DepId)
{
DepartmentID = DepId;
}
void setDepName(string DepName)
{
DepartmentName = DepName;
}
void setDepHead(string DepHead)
{
DepartmentHeadName = DepHead;
}
};
//Programmer defined encapsulation of data and functions
class Employee
{
private:
string employeename, employeeID, employeeDepartmentID;
int employeeage;
doubleemployeesalary;
public:
// constructors
Employee() {}
Employee(string id, string name)
{
employeeID = id;
employeename = name;
}
Employee(string id, string name, int age)
{
employeeID = id;
employeename = name;
employeeage = age;
}
Employee(string id, string name, int age, double salary)
{
employeeID = id;
employeename = name;
employeeage = age;
employeesalary = salary;
}
Employee(string id, string name, int age, double salary, string departmentid)
{
employeeID = id;
employeename = name;
employeeage = age;
employeesalary = salary;
employeeDepartmentID = departmentid;
}
// Accessors
string getEmpID()
{
return employeeID;
}
string getEmpName()
{
return employeename;
}
string getEmpDepID()
{
return employeeDepartmentID;
}
int getEmpAge()
{
return employeeage;
}
double getEmpSal()
{
return employeesalary;
}
void setEmpID(string empId)
{
employeeID = empId;
}
void setEmpName(string empName)
{
employeename = empName;
}
void setEmpDepID(string empDepId)
{
employeeDepartmentID = empDepId;
}
void setEmpAge(int empAge)
{
employeeage = empAge;
}
void setEmpSalary(double empsal)
{
employeesalary = empsal;
}
};
//Function prototypes
void ShowMenu();
void choices();
int main()
{
ShowMenu();
choices();
return 0;
}
//Display Function
void ShowMenu()
{
cout << "\n\n\n";
cout << "1-Create Department\n";
cout << "2-Creat employee\n";
cout << "3-Write the data to the file\n";
cout << "4-Retrive the data from the file\n";
cout << "5-Display Report\n";
cout << "6-Exit\n \n \n";
}
// Choice function
void choices()
{
// Creating array objects
Department dep[3];
Employee emp[7];
string depid, empid, empdepid, depname, dephead, empname, depnamefile, depdeadfile;
int empage;
double empsalary;
int choice;
ifstream file_in, file_in2;
ofstream file_out, file_out2;
char again; //Used to loop the entire program
int counter, empcounter, depcounter;
bool id3 = ...
A Test of Strength
When it comes to writing tests we often live in the here-and-now and consequently end up producing "write-only" tests. This session looks at what we need to consider if we want to create tests that our future selves and teammates will find valuable instead of becoming another burden on top of delivering the feature itself.
If there is one place that we find it easy to take shortcuts it's when writing tests. Whether we're under the cosh or have an overly-optimistic view of our ability to write self-documenting code, instead of creating tests that support the production code and development process we can find ourselves producing WTFs (Weak Test Functions). The net effect is often a viscous cycle that disparages, instead of encourages us.
In the past I've tried many different ways to try and short-circuit the test writing process, but have only come-up short every time. This session takes a look at why skimping on elements of the test structure, such as organisation, naming and scope only leads to pain and hardship in the long run. Along the way we'll uncover the truth behind common folklore, such as only having one assertion per test.
Write the code above and the ones below in netbeans IDE 8.13. (Eli.pdf
Write the code above and the ones below in netbeans IDE 8.1
3. (Eliminate duplicates) Write a method that returns a new array by eliminating the duplicate
values in the array using the following method header: public static int[]
eliminateDuplicates(int[] list) Write a test program that reads in ten integers, invokes the method,
and displays the result. Here is the sample run of the program:
Enter ten numbers: 1 2 3 2 1 6 3 4 5 2 [Enter]
The distinct numbers are: 1 2 3 6 4 5
4. (Sort students) Write a program that prompts the user to enter the number of students, the
students’ names, and their scores, and prints student names in decreasing order of their scores.
Solution
Please follow the code and comments for description :
a)
CODE :
import java.util.Scanner;
public class MeanSD {
public static double deviation (double[] x) { // method to return the deviation
double sum = 0, mean = 0, deviation = 0; // required initialisations
double[] temp = new double[10]; // temporary array
for (int i = 0; i < 10; i++) //calculate the standard deviation
{
temp[i] = Math.pow((x[i] - mean), 2); // assigning the value to the array
sum += temp[i]; // adding up the values
}
mean = sum / 10; // getting the mean
deviation = Math.sqrt(mean); // calculating the deviation
return deviation; // returning the deviation
}
public static double mean (double[] x) { // method to return themean of the values entered
double sum = 0, mean; // required initialisations
for (int i = 0; i < 10; i++) //Take input in the array
{
sum += x[i]; //sum of all elements
}
mean = sum / 10; // calculating the mean
return mean; // returning the mean value
}
public static void main(String[] args) { // driver method
System.out.println(\"Enter the 10 numbers.\"); // prompt to enter the data
Scanner in = new Scanner(System.in); // scanner class to get the data from the user
double[] arr = new double[10]; // array that saves the data
double sum = 0, mean = 0, deviation = 0; // required initialisations
for (int i = 0; i < 10; i++) //Take input in the array
{
System.out.print(\"Enter a number : \"); // prompt to enter the number
arr[i] = in.nextDouble(); // getting the data from the console
}
mean = mean(arr); // calling the method to return the mean value
System.out.println(\"Mean : \" + mean); //Display mean of all elements
deviation = deviation(arr); // calling the method to return teh deviation value
System.out.println(\"Deviation : \" + deviation); // display the result
}
}
OUPTPUT :
Enter the 10 numbers.
Enter a number : 1
Enter a number : 2
Enter a number : 3
Enter a number : 4
Enter a number : 5
Enter a number : 6
Enter a number : 7
Enter a number : 8
Enter a number : 9
Enter a number : 10
Mean : 5.5
Deviation : 6.2048368229954285
b)
CODE :
import java.util.Scanner;
public class MyDuplicateElements {
public static int[] eliminateDuplicates(int[] input) { // method to remove the duplicates
int j = 0; // required initialisations
int i = 1;
//return if the array length is less than 2
if (input..
Complete DB code following the instructions Implement the D.pdf
Complete DB code following the instructions:
Implement the DB and use the unittest_db() function to test it. DO NOT CHANGE THIS CODE
FOR YOUR SUBMISSION, as it will be used to test your code against the answers (with different
input files).
a) The student ID should be the base class's key member.
b) The student ID should be automatically assigned such that the ID/key should be n if the student
is the nth student to join the school. If the student later leaves (i.e., deleted from the BST), the ID
does NOT get reassigned to another student. Thus, the student ID of the last student to join the
school should reflect the TOTAL number of students that have joined this school since its
reception (regardless of whether some have left).
5. Test your code against the provided input and output files.
a) The provided answer for the BST unit test is in "unittest_ans_t100_s100.txt". The s100 refers to
the seed of 100 (-s 100), and t100 refers to the number of elements to add to the BST (-t 100).
b) The provided answer for the DB is in "students_1_ans.txt" for the "students_1.txt" input file.
6. Make sure your code has no memory leaks (using valgrind).
7. Your code should work beyond the provided unit tests. That is, even if it does work for all the
given tests, if the code has an identifiable bug (i.e., by reading the source code), points WILL be
deducted.
For example, if I were to change
unittest_bst(num_test, seed, cout, 5); ->
unittest_bst(num_test, seed, cout, 100);
it should still work.
db.h
#ifndef DB_H_
#define DB_H_
#include <iostream>
#include "bst.h"
using namespace std;
class SNode : public Node {
private:
string first;
string last;
unsigned int age;
static unsigned int num_students;
public:
// Constructors and destructor
SNode();
SNode(string f_, string l_, unsigned int a_);
~SNode();
// public interface
void change_first(string f_);
void change_last(string l_);
string get_first();
string get_last();
unsigned int get_age();
void print_info(ostream& to);
};
#endif
main.cc
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#include <algorithm>
#include <getopt.h>
#include "bst.h"
#include "db.h"
using namespace std;
const char* const short_opt = ":ht:s:i:o:";
const struct option long_opt[] = {
{"help", 0, NULL, 'h'},
{"test", 1, NULL, 't'},
{"seed", 1, NULL, 's'},
{"input", 1, NULL, 'i'},
{"output", 1, NULL, 'o'},
{NULL, 0, NULL, 0}
};
void usage(char* argv);
void unittest_bst(unsigned int n, unsigned int seed, ostream& to,
unsigned int remain);
bool read_db(const string file_name, vector<string>& firsts,
vector<string>& lasts, vector<unsigned int>& ages);
void create_db(BST& db, const vector<string> f_, const vector<string> l_,
const vector<unsigned int> a_);
bool unittest_db(string ifile_name, string ofile_name);
/* Main function
*/
int main(int argc, char **argv)
{
int c = 0;
string test = "0";
string seed_str = "0";
string ifile_name;
string ofile_name;
if(argc < 2) {
usage(argv[0]);
return 0;
}
whil.
is a ra time an atardarit deviatios of -13 esen-.pdf
is a r a time an atardarit deviatios of = 13 esen..
Kindly answer the questions Question 1- Each user profile has its own.pdf
Kindly answer the questions
Question 1: Each user profile has its own registry hive, named:
HKEY Current User.
SYSTEM.
NTUSER.DAT
WinNT.
AppData.
Question 2 : Windows event logs include the following categories (choose all that apply):
User.
Application.
System.
Security.
Software.
Question 3 : Shortcut (LNK) files are a simple way for the user to access frequently-used:
Applications.
Resources.
Documents or applications.
Documents, users, resources or applications.
Documents.
Question 4)Each user profile contains the following folders (choose all that apply)
\Users\$USER$\Music.
\Users\$USER$\Documents.
\Users\$USER$\Photos.
\Users\$USER$\Videos.
\Users\$USER$\NTUSER.DAT.
Question 5: The LocalLow folder in AppData contains (choose all that apply):
Data related to the installation of programs.
Data that will travel with the user to different workstations.
Web browser favourites.
Passwords.
Temporary files from protected browsing.
HKEY Current User.
SYSTEM.
NTUSER.DAT
WinNT.
AppData..
i- Median P-E- i- Arithmetic mean P-S if- Median P-S 1- Arithenctic me.pdf
i. Median P / E . i. Arithmetic mean P/S if. Median P / S 1. Arithenctic mean P / B ii. Median
P/B ateness of using the following tof istlen thesen i. Mean and median P/E. ii. Meais and
mediant P /5 . ie.. Blean and medskn P / B.
Fill in the P(X-x) values to give a legitimate probability distributio (1).pdf
Fill in the P ( X = x ) values to give a legitimate probability distribution for the discrete random
variable X , whose possible values are 0 , 1 , 2 , 4 , and 6 ..
Assume that adults have I0 scores that are normally distributed with a.pdf
Assume that adults have I0 scores that are normally distributed with a mean of 100 and a
standard deviation of 15. For a randomly selected adult, find the indicated probability of IQ
score. Round IQ score to the nearest whole number. Draw a graph in each case.
1. Find the probability of an IQ greater than 70.
2. Find the probability that a randomly selected adult has an IQ between 110 and 120.
3. Find the first quartile Q, which is the IQ score separating the bottom 25% from the top 75%..
Aadakilerden hangisi DORU bir ifadedir- A- Gelir bir ak deikenidir B-.pdf
Aadakilerden hangisi DORU bir ifadedir?
A. Gelir bir ak deikenidir
B. Para ve gelir hisse senedi deikenleridir
C. Para ve gelir ak deikenleridir
D. Para bir ak deikenidir
A. Gelir bir ak deikenidir
B. Para ve gelir hisse senedi deikenleridir
C. Para ve gelir ak deikenleridir
D. Para bir ak deikenidir.
Although the Fair Credit Reporting Act restricts access to consumer re.pdf
Although the Fair Credit Reporting Act restricts access to consumer reports on individuals, there
is an exception to the normal requirement that you must have the employee's consent if you are
obtaining the report as part of an investigation of employee misconduct.
True
False.
More Related Content
Similar to Below is my code for C++- I keep getting an error 43 5 C--Progr.pdf
12422, 744 PM Assignment_3localhost8888nbconverthtml.docx
12/4/22, 7:44 PM Assignment_3
localhost:8888/nbconvert/html/Assignment_3/Assignment_3.ipynb?download=false 1/11
INSTRUCTIONS:
* Add your code as indicated in each cell.
* Besides adding your code, do not alter this file.
* Do not delete or change test cases. Once you are done with a
question, you can run the test cases to see if you programmed the
question correctly.
* If you get a question wrong, do not give up. Keep trying until you
pass the test cases.
* Rename the file as firstname_lastname_assignmentid.ipynb (e.g.,
marina_johnson_assignment1.ipynb)
* Only submit .ipynb files (no .py files)
#
Question 1
1. Read the employee_attrition dataset and save it as df. Recall that the target variable in this
dataset is named 'Attrition.'
1. Check if the dataset is imbalanced by counting the number of Noes and Yeses in the target
variable Attrition.
Hints:
Imbalanced data refers to a situation where the number of observations is not the
same for all the classes in a dataset. For example, the number of churned
employees is 4000, while the number of unchurned employees is 40000. This
means this dataset is imbalanced.
You need to access the target variable Attrition and count how many Yes and No
there is in this variable. If the number of Yes's is equal to the number of No's, then
the dataset is balanced. Otherwise, it is not balanced.
In [138… # Do not delete this cell
import numpy as np
score = dict()
np.random.seed(333)
12/4/22, 7:44 PM Assignment_3
localhost:8888/nbconvert/html/Assignment_3/Assignment_3.ipynb?download=false 2/11
Check Module 5g: Encoding Categorical Variables to earn more about data
imbalance problems. Particularly, check 2.5: Balancing datasets in Module 5.
Do not alter the below cell. It is a test case for
Question 1
{'question 1': 'pass'}
#
Question 2
1. Identify the names of the numerical input variables and save it as a LIST
1. Identify the names of the categorical input variables+ and save it as a LIST
Hints:
Remember Attrition is the target (output) variable, so exclude Attrition from
both LISTS containing the numerical and categorical input variables.
Check Modules 5b: Dropping Variables and Module 3e: Helpful Functions
(check after minute 4)
Do not alter the below cell. It is a test case for
Question 2
In [139… import pandas as pd
df = # your code to read the dataset goes in here
number_of_yes = # your code to find the number
# of yeses in the Attrition variable goes in here
number_of_no = # your code to find the number
# of noes in the Attrition variable goes in here
In [140… try:
if (number_of_yes == 237 and number_of_no == 1233):
score['question 1'] = 'pass'
else:
score['question 1'] = 'fail'
except:
score['question 1'] = 'fail'
score
Out[140]:
In [141… numerical_variables = # Your code to identify numerical variables goes in here
categorical_varables = .
Lab Assignment #6, part 3 Time ConversionProgram Name lab.docx
//Lab Assignment #6, part 3: Time Conversion
//Program Name: lab6Part3
//Purpose of the program: converts time from military format to civilian format
//Authors: Wei Zhou and Shouwen Wang
//Date: 02/19/2016
#include<iostream>
#include <string>
using namespace std;
// get input time
int enterTime(int totalTime, int& hrVal, int& minVal)
{
cout << "please enter a military time(a value between 0000 and 2359) : ";
cin >> totalTime;
while (totalTime > 2359 || totalTime < 0) {
cout << "Error: you entered an invalid time. Try again." << endl;
cout << "please enter a military time(a value between 0000 and 2359) : ";
cin >> totalTime;
}
return totalTime;
}
//perform conversion
int ConvHrMin(int totalTime, int& hrVal, int& minVal) {
if (totalTime <= 1200) {
hrVal = totalTime / 100;
minVal = totalTime % 100;
}
else {
hrVal = totalTime / 100 - 12;
minVal = totalTime % 100;
}
return hrVal, minVal;
}
//display results
void finalOutput(){
int totalTime = 0;
int hrVal;
int minVal;
string morning;
string noon;
morning = "AM";
noon = "PM";
totalTime = enterTime(totalTime, hrVal, minVal);
hrVal = ConvHrMin(totalTime, hrVal, minVal);
minVal = ConvHrMin(totalTime, hrVal, minVal);
if (totalTime <= 1200) {
cout << "Time in civilian format£º " << hrVal << ':' << minVal << " " << morning << endl;
}
else {
cout << "Time in civilian format£º " << hrVal << ':' << minVal << " " << noon << endl;
}
}
int main()
{
cout << "Time Converter" << endl;
cout << "--------------" << endl;
finalOutput();
cout << endl;
return 0;
}
//Lab Assignment #7: Vectors
//Program Name: lab7part1
//Purpose of the program: working with vectors
//Authors: Wei Zhou
//Date: 03/03/2016
#include<iostream>
#include<iomanip>
#include<vector>
#include<string>
using namespace std;
//enter the number of boxes sold for each type of cookie
void numberSell(vector<string> cookienames, vector<int> &amount) {
int numberSales;
for (int i = 0; i < cookienames.size(); ++i)
{
cout << "Please enter the total sales for " << cookienames[i] << ": ";
cin >> numberSales;
while (numberSales < 0) {
cout << "Error: total sales cannot be a negative number." << endl;
cout << "Please enter the total sales for " << cookienames[i] << ": ";
cin >> numberSales;
}
amount.push_back(numberSales);
}
cout << endl;
}
//calculate total sales
int totalSales(vector<int> amount) {
int total = 0;
for (int i = 0; i < amount.size(); ++i)
{
total += amount[i];
}
return total;
}
//find the lowest selling cookie
string findBest(vector<string> cookienames, vector<int> amount) {
int highest = amount[0], exponent = 0;
for (int i = 1; i<amount.size(); ++i)
{
if (amount[i] >= highest)
{
highest = amount[i];
exponent = i;
}
}
return cookienames[exponent];
}
//find the highest selling cookie
string findWorst(vector<string> cookienames, vector<int> amount) {
int lowest = amount[0], exp ...
Classes(or Libraries)#include #include #include #include.docx
//Classes(or Libraries)
#include
#include
#include
#include
#include
//Used to shorten console commands
using namespace std;
//Programmer defined encapsulation of data and functions
class Department
{
private:
string DepartmentName, DepartmentHeadName, DepartmentID;
public:
// Constructors
Department()
{
}
Department(string id, string name)
{
DepartmentID = id;
DepartmentName = name;
DepartmentHeadName = "";
}
Department(string id, string name, string hn)
{
DepartmentID = id;
DepartmentName = name;
DepartmentHeadName = hn;
}
//Setter and getters(Accsesors)
string getDepId()
{
return DepartmentID;
}
string getDepartmentName()
{
return DepartmentName;
}
string getDepHeadName()
{
return DepartmentHeadName;
}
void setDepId(string DepId)
{
DepartmentID = DepId;
}
void setDepName(string DepName)
{
DepartmentName = DepName;
}
void setDepHead(string DepHead)
{
DepartmentHeadName = DepHead;
}
};
//Programmer defined encapsulation of data and functions
class Employee
{
private:
string employeename, employeeID, employeeDepartmentID;
int employeeage;
doubleemployeesalary;
public:
// constructors
Employee() {}
Employee(string id, string name)
{
employeeID = id;
employeename = name;
}
Employee(string id, string name, int age)
{
employeeID = id;
employeename = name;
employeeage = age;
}
Employee(string id, string name, int age, double salary)
{
employeeID = id;
employeename = name;
employeeage = age;
employeesalary = salary;
}
Employee(string id, string name, int age, double salary, string departmentid)
{
employeeID = id;
employeename = name;
employeeage = age;
employeesalary = salary;
employeeDepartmentID = departmentid;
}
// Accessors
string getEmpID()
{
return employeeID;
}
string getEmpName()
{
return employeename;
}
string getEmpDepID()
{
return employeeDepartmentID;
}
int getEmpAge()
{
return employeeage;
}
double getEmpSal()
{
return employeesalary;
}
void setEmpID(string empId)
{
employeeID = empId;
}
void setEmpName(string empName)
{
employeename = empName;
}
void setEmpDepID(string empDepId)
{
employeeDepartmentID = empDepId;
}
void setEmpAge(int empAge)
{
employeeage = empAge;
}
void setEmpSalary(double empsal)
{
employeesalary = empsal;
}
};
//Function prototypes
void ShowMenu();
void choices();
int main()
{
ShowMenu();
choices();
return 0;
}
//Display Function
void ShowMenu()
{
cout << "\n\n\n";
cout << "1-Create Department\n";
cout << "2-Creat employee\n";
cout << "3-Write the data to the file\n";
cout << "4-Retrive the data from the file\n";
cout << "5-Display Report\n";
cout << "6-Exit\n \n \n";
}
// Choice function
void choices()
{
// Creating array objects
Department dep[3];
Employee emp[7];
string depid, empid, empdepid, depname, dephead, empname, depnamefile, depdeadfile;
int empage;
double empsalary;
int choice;
ifstream file_in, file_in2;
ofstream file_out, file_out2;
char again; //Used to loop the entire program
int counter, empcounter, depcounter;
bool id3 = ...
A Test of Strength
When it comes to writing tests we often live in the here-and-now and consequently end up producing "write-only" tests. This session looks at what we need to consider if we want to create tests that our future selves and teammates will find valuable instead of becoming another burden on top of delivering the feature itself.
If there is one place that we find it easy to take shortcuts it's when writing tests. Whether we're under the cosh or have an overly-optimistic view of our ability to write self-documenting code, instead of creating tests that support the production code and development process we can find ourselves producing WTFs (Weak Test Functions). The net effect is often a viscous cycle that disparages, instead of encourages us.
In the past I've tried many different ways to try and short-circuit the test writing process, but have only come-up short every time. This session takes a look at why skimping on elements of the test structure, such as organisation, naming and scope only leads to pain and hardship in the long run. Along the way we'll uncover the truth behind common folklore, such as only having one assertion per test.
Write the code above and the ones below in netbeans IDE 8.13. (Eli.pdf
Write the code above and the ones below in netbeans IDE 8.1
3. (Eliminate duplicates) Write a method that returns a new array by eliminating the duplicate
values in the array using the following method header: public static int[]
eliminateDuplicates(int[] list) Write a test program that reads in ten integers, invokes the method,
and displays the result. Here is the sample run of the program:
Enter ten numbers: 1 2 3 2 1 6 3 4 5 2 [Enter]
The distinct numbers are: 1 2 3 6 4 5
4. (Sort students) Write a program that prompts the user to enter the number of students, the
students’ names, and their scores, and prints student names in decreasing order of their scores.
Solution
Please follow the code and comments for description :
a)
CODE :
import java.util.Scanner;
public class MeanSD {
public static double deviation (double[] x) { // method to return the deviation
double sum = 0, mean = 0, deviation = 0; // required initialisations
double[] temp = new double[10]; // temporary array
for (int i = 0; i < 10; i++) //calculate the standard deviation
{
temp[i] = Math.pow((x[i] - mean), 2); // assigning the value to the array
sum += temp[i]; // adding up the values
}
mean = sum / 10; // getting the mean
deviation = Math.sqrt(mean); // calculating the deviation
return deviation; // returning the deviation
}
public static double mean (double[] x) { // method to return themean of the values entered
double sum = 0, mean; // required initialisations
for (int i = 0; i < 10; i++) //Take input in the array
{
sum += x[i]; //sum of all elements
}
mean = sum / 10; // calculating the mean
return mean; // returning the mean value
}
public static void main(String[] args) { // driver method
System.out.println(\"Enter the 10 numbers.\"); // prompt to enter the data
Scanner in = new Scanner(System.in); // scanner class to get the data from the user
double[] arr = new double[10]; // array that saves the data
double sum = 0, mean = 0, deviation = 0; // required initialisations
for (int i = 0; i < 10; i++) //Take input in the array
{
System.out.print(\"Enter a number : \"); // prompt to enter the number
arr[i] = in.nextDouble(); // getting the data from the console
}
mean = mean(arr); // calling the method to return the mean value
System.out.println(\"Mean : \" + mean); //Display mean of all elements
deviation = deviation(arr); // calling the method to return teh deviation value
System.out.println(\"Deviation : \" + deviation); // display the result
}
}
OUPTPUT :
Enter the 10 numbers.
Enter a number : 1
Enter a number : 2
Enter a number : 3
Enter a number : 4
Enter a number : 5
Enter a number : 6
Enter a number : 7
Enter a number : 8
Enter a number : 9
Enter a number : 10
Mean : 5.5
Deviation : 6.2048368229954285
b)
CODE :
import java.util.Scanner;
public class MyDuplicateElements {
public static int[] eliminateDuplicates(int[] input) { // method to remove the duplicates
int j = 0; // required initialisations
int i = 1;
//return if the array length is less than 2
if (input..
Complete DB code following the instructions Implement the D.pdf
Complete DB code following the instructions:
Implement the DB and use the unittest_db() function to test it. DO NOT CHANGE THIS CODE
FOR YOUR SUBMISSION, as it will be used to test your code against the answers (with different
input files).
a) The student ID should be the base class's key member.
b) The student ID should be automatically assigned such that the ID/key should be n if the student
is the nth student to join the school. If the student later leaves (i.e., deleted from the BST), the ID
does NOT get reassigned to another student. Thus, the student ID of the last student to join the
school should reflect the TOTAL number of students that have joined this school since its
reception (regardless of whether some have left).
5. Test your code against the provided input and output files.
a) The provided answer for the BST unit test is in "unittest_ans_t100_s100.txt". The s100 refers to
the seed of 100 (-s 100), and t100 refers to the number of elements to add to the BST (-t 100).
b) The provided answer for the DB is in "students_1_ans.txt" for the "students_1.txt" input file.
6. Make sure your code has no memory leaks (using valgrind).
7. Your code should work beyond the provided unit tests. That is, even if it does work for all the
given tests, if the code has an identifiable bug (i.e., by reading the source code), points WILL be
deducted.
For example, if I were to change
unittest_bst(num_test, seed, cout, 5); ->
unittest_bst(num_test, seed, cout, 100);
it should still work.
db.h
#ifndef DB_H_
#define DB_H_
#include <iostream>
#include "bst.h"
using namespace std;
class SNode : public Node {
private:
string first;
string last;
unsigned int age;
static unsigned int num_students;
public:
// Constructors and destructor
SNode();
SNode(string f_, string l_, unsigned int a_);
~SNode();
// public interface
void change_first(string f_);
void change_last(string l_);
string get_first();
string get_last();
unsigned int get_age();
void print_info(ostream& to);
};
#endif
main.cc
#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
#include <vector>
#include <algorithm>
#include <getopt.h>
#include "bst.h"
#include "db.h"
using namespace std;
const char* const short_opt = ":ht:s:i:o:";
const struct option long_opt[] = {
{"help", 0, NULL, 'h'},
{"test", 1, NULL, 't'},
{"seed", 1, NULL, 's'},
{"input", 1, NULL, 'i'},
{"output", 1, NULL, 'o'},
{NULL, 0, NULL, 0}
};
void usage(char* argv);
void unittest_bst(unsigned int n, unsigned int seed, ostream& to,
unsigned int remain);
bool read_db(const string file_name, vector<string>& firsts,
vector<string>& lasts, vector<unsigned int>& ages);
void create_db(BST& db, const vector<string> f_, const vector<string> l_,
const vector<unsigned int> a_);
bool unittest_db(string ifile_name, string ofile_name);
/* Main function
*/
int main(int argc, char **argv)
{
int c = 0;
string test = "0";
string seed_str = "0";
string ifile_name;
string ofile_name;
if(argc < 2) {
usage(argv[0]);
return 0;
}
whil.
Similar to Below is my code for C++- I keep getting an error 43 5 C--Progr.pdf (15)
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Lab Assignment #6, part 3 Time ConversionProgram Name lab.docx
Lab Assignment #6, part 3 Time ConversionProgram Name lab.docx
Classes(or Libraries)#include #include #include #include.docx
Classes(or Libraries)#include #include #include #include.docx
Write the code above and the ones below in netbeans IDE 8.13. (Eli.pdf
Write the code above and the ones below in netbeans IDE 8.13. (Eli.pdf
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