#include <bits/stdc++.h>

using namespace std;

#define NMAX 102
#define INF (1 << 15)

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

int N;
int w[NMAX][NMAX];
int d[NMAX][NMAX];

int main() {
    int x, y;

    fin >> N;

    for (x = 1; x <= N; ++x) {
        for (y = 1; y <= N; ++y) {
            fin >> w[x][y];

            if (x != y && w[x][y] == 0) {
                d[x][y] = INF;
            } else {
                d[x][y] = w[x][y];
            }
        }
    }

    int k;
    
    for (k = 1; k <= N; ++k) {
        for (x = 1; x <= N; ++x) {
            for (y = 1; y <= N; ++y) {
                d[x][y] = min(d[x][y],
                              d[x][k] + d[k][y]);
            }
        }
    }

    for (x = 1; x <= N; ++x) {
        for (y = 1; y <= N; ++y) {
            if (d[x][y] == INF) {
                d[x][y] = 0;
            }

            fout << d[x][y] << " ";
        }
        fout << "\n";
    }

    return 0;
}