#include <bits/stdc++.h>

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

const long long INF = LLONG_MAX / 2;
const int NMAX = 101;

std::vector<std::vector<long long>> D(NMAX, std::vector<long long>(NMAX, INF));

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

    for(int k = 1; k <= n; ++k) {
        for(int i = 1; i <= n; ++i) {
            fin >> D[k][i];

            if(D[k][i] == 0)
                D[k][i] = INF;
        }
    }

    for(int k = 1; k <= n; ++k) {
        D[k][k] = 0;
        for(int i = 1; i <= n; ++i) {
            for(int j = 1; j <= n; ++j) {
                D[i][j] = std::min(D[i][j], D[i][k] + D[k][j]);
            }
        }
    }

    for(int i = 1; i <= n; ++i, fout << '\n')
        for(int j = 1; j <= n; ++j)
            fout << (D[i][j] == INF ? 0 : D[i][j]) << ' ';

    return 0;
}