#include <bits/stdc++.h>

using namespace std;

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

int a[105][105], n, m;

int main()
{
    int i, j, k;
    fin >> n;
    for(i = 1; i <= n; i++)
        for(j = 1; j <= n; j++)
        {
            fin >> a[i][j];
            if(i != j && a[i][j] == 0)
                a[i][j] = 1e9;
        }
    for(k = 1; k <= n; k++)
        for(i = 1; i <= n; i++)
            for(j = 1; j <= n; j++)
                if(i != j && i != k && j != k && a[i][j] > a[i][k] + a[k][j])
                a[i][j] = a[i][k] + a[k][j];
    for(i = 1; i <= n; i++)
    {
        for(j = 1; j <= n; j++)
            if(a[i][j] == 1e9)
                fout << "0 ";
            else
            fout << a[i][j] << " ";
        fout << "\n";
    }
    return 0;
}