#include <cstdio>

using namespace std;
int i,n,j,k,a[104][104];
int main()
{
    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 (a[i][j]>a[i][k]+a[k][j] || (a[i][j]==0 && 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;
}