#include <cstdio>
using namespace std;
int a[100][100];

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    int n;
    scanf("%d",&n);
    int i,j;

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf("%d",&a[i][j]);
    for(int k=1;k<=n;k++)
        for(int i=1;i<=n;i++)
          for(int j=1;j<=n;j++)
             if(a[i][k] && a[k][j] &&(a[i][j]>a[i][k]+a[k][j]||a[i][j]==0)&&i!=j)a[i][j]=a[k][j]+a[i][k];
    for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
            printf("\n");
        }

             return 0;
}