C Two Dimensional Array

2-D Array

It is a type of array. It is called 2-dimensional array.

Syntax

data-type arrayName[ size ][ size ] = { { value1, value2, value3,...}, { value1, value2, value3,...}, .............. };

Program

#include <stdio.h> 
#include <conio.h> 
void main(){ 
 int arr[2][3] = { {10, 20, 30}, {70, 60, 50} };
 int i,j;
 clrscr();
 printf("\n This is 2-d array program.");
 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();
}

See Output

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();
}

See Output

Below program is read data from user. It means below program is a 2-dimensional dynamic array.

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.");

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

 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();
}

See Output

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