View Code of Problem 51

#include<stdio.h>
int main()
{
  int n;
  scanf("%d\n",&n);
  int a[10][10];
  for(int i=0;i<n;i++)
    for(int j=0;j<n;j++)
      scanf("%d",&a[i][j]);
  int sum;
  for(int i=0;i<n;i++)
    for(int j=n-1;j>=n-1-i;j--)
      sum+=a[i][j];
  printf("%d",sum);
}

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