#include <bits/stdc++.h>
using namespace std;
int i, j, k, n, v[105][105];
int main()
{
    ifstream f("royfloyd.in");
    ofstream g("royfloyd.out");
    f >> n;
    for(i = 1; i <= n; i ++)
        for(j = 1; j <= n; j ++)
                f >> v[i][j];
    for(i = 1; i <= n; i ++)
        for(j = 1; j <= n; j ++)
            for(k = 1; k <= n; k ++)
                if(i != j && v[i][k] != 0 && v[k][j] != 0 && (v[i][j] > v[i][k] + v[k][j] || v[i][j] == 0))v[i][j] = v[i][k] + v[k][j];
    for(i = 1; i <= n; i ++)
    {
        for(j = 1; j <= n; j ++)
            g << v[i][j] << " ";
        g << "\n";
    }
    return 0;
}