View Code of Problem 45

#include <stdio.h>
 
int main(){
  int arr[100][100];
  int n, i, j;
  scanf("%d", &n);
  for(i=0;i<n;i++){
    for(j=0;j<n;j++){
    	scanf("%d", &arr[i][j]);
    }
  }
  for(i=0;i<n;i++){
    for(j=0;j<n;j++){
      if(j==n-1)
				printf("%d",a[j][i]);
			else
				printf("%d ",a[j][i]);
    }
    printf("\n");
  }
}
/*
Main.c: In function 'main':
Main.c:15:17: error: 'a' undeclared (first use in this function)
     printf("%d",a[j][i]);
                 ^
Main.c:15:17: note: each undeclared identifier is reported only once for each function it appears in
*/