#include <iostream>
#include <fstream>
#define INF 1000000000
using namespace std;
ifstream f ("royfloyd.in");
ofstream g ("royfloyd.out");
int a[110][110],n;
int main()
{
    f>>n;
    for (int i=1;i<=n;i++)
        for (int j=1;j<=n;j++)
        {
            f>>a[i][j];
            if (!a[i][j]&&i!=j) a[i][j]=INF;
        }
    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];
    for (int i=1;i<=n;i++)
    {
        for (int j=1;j<=n;j++)
            if (a[i][j]==INF) g<<"0 ";
            else g<<a[i][j]<<' ';
        g<<'\n';
    }
    return 0;
}