#include <bits/stdc++.h>

using namespace std;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

int n,v[105][105];

void citire()
{
    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            in>>v[i][j];
}

void rezolvare()
{
    for (int k = 1; k <= n; k++)
        for (int i = 1; i <= n; i++)
            for (int j = 1; j <= n; j++)
                if (v[i][k] && v[k][j] && (v[i][j] > v[i][k] + v[k][j] || !v[i][j]) && i != j)
                    v[i][j] = v[i][k] + v[k][j];
}

void afisare()
{
    for(int i=1;i<=n;i++)
    {
        for(int j=1;j<=n;j++)
            out<<v[i][j]<<" ";
        out<<'\n';
    }
}



int main()
{
    in>>n;
    citire();
    rezolvare();
    afisare();
    return 0;
}