C Program to Access an element in 2-D Array

In this tutorial, we will write a Program to access an element in 2D Array in C. Before that, you should have knowledge of the following C programming topics.

• Array in C
• Loops in C

Accessing Array Elements

2D Array is of 2 Dimensional, one determines the number of rows and another is for columns.
Example: arr[0][1] refers element belonging to the zeroth row and first column in a 2D array.

• For accessing an elemnt, we need two Subscript variables (i, j).
• i = number of rows.
• j = number of columns.

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C Program to access the 2D Array element

#include <stdio.h>

int main()
{
   int i, j, arr[3][3];

   printf("Enter the element for each row and column:\n");
   for (i = 0; i < 3; i++)
   {
      for (j = 0; j < 3; j++)
      {
         printf("arr[%d][%d] = ", i, j);
         scanf("%d", &arr[i][j]);
      }
   }

   //Display array
   printf("\nElement present in an Array:\n");

   for (i = 0; i < 3; i++)
   {
      for (j = 0; j < 3; j++)
      {
         printf("%d\t", arr[i][j]);
      }

      printf("\n");
   }

   return (0);
}

Output:

Enter the element for each row and column:
arr[0][0] = 1
arr[0][1] = 2
arr[0][2] = 3
arr[1][0] = 4
arr[1][1] = 5
arr[1][2] = 6
arr[2][0] = 7
arr[2][1] = 8
arr[2][2] = 9

Element present in an Array:
1	2	3	
4	5	6	
7	8	9

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