#include <bits/stdc++.h>

using namespace std;

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

int d[105][105];
int n;

int main() {
    f >> n;
    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            f >> d[i][j];
        }
    }

    for(int k = 1; k <= n; ++k) {
        for(int i = 1; i <= n; ++i) {
            for(int j = 1; j <= n; ++j) {
                if((d[i][k] != 0 && d[k][j] != 0 && i != j) && (d[i][j] == 0 || d[i][k] + d[k][j] < d[i][j])) {
                    d[i][j] = d[i][k] + d[k][j];
                }
            }
        }
    }

    for(int i = 1; i <= n; ++i) {
        for(int j = 1; j <= n; ++j) {
            g << d[i][j] << " ";
        }
        g << '\n';
    }
    return 0;
}