View Code of Problem 51

#include<stdio.h>
int main()
{
  int a[10],i,j,n,sum=0;
  scanf("%d",&n);
  for(i=0;i<n;i++)
  {
    for(j=0;j<n;j++)
    scanf("%d",%a[i][j]);
  }
  for(i=0;i<n;i++)
  {
    for(j=0;j<=i;j++)
      sum+=a[i][j];
  }
  printf("%d\n",sum);
  return 0;
}
/*
Main.c: In function 'main':
Main.c:9:16: error: expected expression before '%' token
     scanf("%d",%a[i][j]);
                ^
Main.c:14:16: error: subscripted value is neither array nor pointer nor vector
       sum+=a[i][j];
                ^
Main.c:4:7: warning: variable 'a' set but not used [-Wunused-but-set-variable]
   int a[10],i,j,n,sum=0;
       ^
*/