#include<cstdio>
using namespace std;
int a[101][101];
int main()
{
   freopen("royfloyd.in", "r", stdin);
   freopen("royfloyd.out", "w", stdout);
   int n, i, j, k;
   scanf("%d", &n);
   for(i=1; i<=n; i++)
        for(j=1; j<=n; j++)
            scanf("%d", &a[i][j]);
    for(k=1; k<=n; k++)
        for(i=1; i<=n; i++)
            for(j=1; 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(i=1; i<=n; i++)
    {
        for(j=1; j<=n; j++)
            printf("%d ", a[i][j]);
        printf("\n");
    }
}