#include<cstdio>
#include<cstdlib>
using namespace std;
int n,a[100][100],i,j,k;

int main()
{freopen("royfloyd.in","r",stdin);
freopen("royfloyd.out","w",stdout);
scanf("%d",&n);
for(int i=0;i<n;i++)
 for(int j=0;j<n;j++)
  {scanf("%d",&a[i][j]);}
for(int k=0;k<n;k++)
 for(int i=0;i<n;i++)
  for(int j=0;j<n;j++)
   if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j) a[i][j] = a[i][k] + a[k][j];

 for(int i=0;i<n;i++)
{for(int j=0;j<n;j++)
  {printf("%d ",a[i][j]);

  }
  printf("\n");
  }


      return 0;
}