1. Arrays in c
(1-Dimensional & 2-Dimensional)
By:
Anish Kumar
12/CS/60
Haldia Institute Of Technology
Introduction1-D2-DApplicationsOperations
LimitationsConclusionBibliography

2. Introduction
Array is a derived data type that represents a collection of the
similar types of data with continuous memory locations with
fixed size sequence.
Roles
 Efficient storing of large volume of data
 Efficient access and manipulation of data
 Helpful in viewing complex problem in simpler way
 Single name for multiple data
 Structured Data Type

4. 1-Dimensional Array
Data_type var_name[Expression]
Data Type is the type of elements to be stored in the array
Var_name is the name of the array like any
Other variables
Expression specifies the number of elements to be stored
In array
Example : int num[10];
char city[9]= “HALDIA”;
char city[9]={ ‘H’,’A’,’L’,’D’,’I’,’A’}
Num[0] =data1
Num[1] =data2
Num[2] =data3
Num[3] =data4
Num[4] =data5
Num[5] =data6
Num[6] =data7
Num[7] =data8
Num[8] =data9
Num[9] =data10

5. 2-Dimensional Array
0 1 2 3 4
0
1
2
3
4
0 1 2 3 4
0
1
2 7
3
4
int matrix[5] [5]; matrix[2] [1] = 7
0 1 2
0 1 2 3
1 4 5 6
2 7 8 9
3 10 11 12
int array [4][5];
or
Int [][] array ={ {1, 2, 3}, {4, 5, 6}, {7, 8, 9}, {10, 11, 12} };

6. Applications
 Matrix Problem
 Solving different algorithms, graph & tree problem
 Parse Matrix
 Storing and searching of large amount of data
 Stack, Queue
 Array of pointers, Dynamic Arrays

7. OPERATIONS IN ARRAY
INSERTION
DELETION
MERGING TWO ARRAYS
TRAVERSING
SORTING
SEARCHING

8. Limitations
 Wastage of memory space. We cannot change size of
array at the run time.
 It can store only similar type of data.
 Sometimes it is not easy to operate with many index
arrays.

9. Conclusion
Array has added a new flavour to the programming, the
efficiency of C language has reached to zenith in terms of
efficient storing , accessing and manipulation of data, speed and
reliability.
Bibliography
 ANSI C by E Balagurusamy
 http://www.slideshare.net
 Wikipedia

10. Please!!
Any
Questions?
Thank
you!!