try yourself |run program

#include <stdio.h> 
#include <conio.h> 
void main(){
 int arr[2][3];
  int i, j;
 clrscr();
 printf("\n This is 2-d array program.");

 arr[0][0] = 100;
 arr[0][1] = 200;
 arr[0][2] = 300;
 arr[1][0] = 200;
 arr[1][1] = 400;
 arr[1][2] = 100;

 for(i=0;i<2;i++){
  for(j=0;j<3;j++){
   printf("\n value of arr[%d][%d] = %d",i,j,arr[i][j]);
  }
 }

 getch();
}

Program Output

This is 2-d array program.
value of arr[0][0] = 100
value of arr[0][1] = 200
value of arr[0][2] = 300
value of arr[1][0] = 200
value of arr[1][1] = 400
value of arr[1][2] = 100