View Code of Problem 51

#include<studio.h>
void main(){
  int n;
  int a[][],b[][];
  int sum=0;
  scanf("%d",&n);
  for(int j=0;j<n;j++){
    for(int i=0;i<n;i++)
  {
    scanf("%d",&a[j][i]);
  }
  }
 for(int j=0,m=n-1;j<n;j++,m--){
    for(int i=0,l=n-1;i<n;i++,l--)
  {
    b[i][j]=a[m][l];
  }
  }
  for(int i=0;i<n;i++)
  {
    for(int j=1;j<n;j++)
      sum+=b[i][j];
    n--;
  }
  printf("%d",sum);
}
/*
Main.c:1:9: fatal error: studio.h: No such file or directory
 #include<studio.h>
         ^~~~~~~~~~
compilation terminated.
*/