#include <iostream>
#include <stdio.h>

using namespace std;

int n,a[101][101];

void citire()
{
    freopen ("royfloyd.in","r",stdin);
    scanf ("%d",&n);
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
            scanf ("%d",&a[i][j]);
}
void royfloyd()
{
    for (int k=1;k<=n;k++)
        for (int i=1;i<=n;i++)
            for (int j=1;j<=n;j++)
                if ((a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && a[i][k] && a[k][j] && i!=j)
                    a[i][j]=a[i][k]+a[k][j];
}
void afis()
{
    freopen ("royfloyd.out","w",stdout);
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            printf("%d ",a[i][j]);
        printf ("\n");
    }
}

int main()
{
    citire();
    royfloyd();
    afis();
    return 0;
}