#include <cstdio>
#include <vector>
using namespace std;
int a[101][101];
int main()
{
    int n, i, j, k;
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    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 (i==j || a[i][k]==0 || a[j][k]==0) continue;
                if (a[i][k]+a[k][j]<a[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");
    }
    return 0;
}