#include <bits/stdc++.h>

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


int main() {
    int n;
    in >> n;

    std::vector<std::vector<int>> d(n, std::vector<int>(n));

    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++) {
            in >> d[i][j];
        }
    
    for (int k = 0; k < n; k++)
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++) {
                if (i != j)
                    d[i][j] = std::min(d[i][j], d[i][k] + d[k][j]);
            }
    
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++)
            out << d[i][j] << " ";
        
        out << '\n';
    }
    return 0;
}