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Array Types In C

There are three type of array in c language and they are:

1.One dimensional array

2.two dimensional array

3.multi-dimensional array

Fig: Array type in c

1.   One dimensional array

 

One dimensional array is type of array it use  subscript and the size of array is declare in subscript of array.

 

Syntax:

 

datatype    arrayname[size];

 

Example:

 

int a[5];

 

Program

 

#include<stdio.h>

#include<conio.h>

void main()

{

int arr[5]={10,20,30,40,50};

for(int i=0;i<=5;i=+)

{

printf(“value of arr[%d] is %d \n”,i , arr[i]);

}

getch();

}

 

Output:

 

value of arr[0] is 10;

value of arr[1] is 20;

value of arr[2] is 30;

value of arr[3] is 40;

value of arr[4] is 50;

 

2.    Two dimensional array

 

Its use two subscript first row and second column and array use for creating matrix in which data is store  on memory in table format.

 

Syntax:

 

datatype   arrayname[row][column];

 

Example:

 

int  arr[2][2];

 

 

Program

 

#include<stdio.h>

#include<conio.h>

void main()

{

int  arr[3][3], i,j;

printf(“count 3* 3 Matrix”);

for(i=0;i<=2;i++)

for(j=0;j<=2;j++)

scanf(“%d%d”,&arr[i][j]);

for(i=0;i<=2;i++)

for(j=0;j<=2;j++)

printf(“%d%d”,arr[i][j]);

printf(“\n”);

getch();

}

 

Output:
 

Count 3*3 matrix

2

2

2

2

2

2

2

2

2

222222222

 

1.    Multi-dimensional array

 

In this array we use two are more than two subscript of array.

 

Syntax:

 

datatype   arrayname[size][size][size];

 

Example:

 

int arr[2][2][2];