how to get input in 2d array in c
#include <stdio.h>
int main(){
printf("Enter the number of columns");
int i;
scanf("%d", &i);
printf("Enter the number of rows");
int y;
scanf("%d", &y);
int r[i][y];
int a;
int b;
for (a=0; a<i; a++){
for (b=0; b<y; b++){
scanf("%d",&r[a][b]);
}
}
}c program to represent 2d matrix in 1d matrix
#include<stdio.h>
#define n 3
int main()
{
int a[n][n],b[n*n],c[n*n],i,j,k=0,l=0;
printf(“\n Enter elements of 2D array : “);
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
scanf(“%d”,&a[i][j]);
}
}
printf(“\n Given 2D array : \n“);
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
printf(“%d ”,a[i][j]);
}
printf(“\n”);
}
printf(“\n Row wise \n”);
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
b[k]=a[i][j];
k++;
}
}
printf(“\n Column wise \n”);
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
c[l]=a[j][i];
l++;
}
}
}Copyright © 2021 Codeinu
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