#include <bits/stdc++.h>
using namespace std;
#define INF 1e7
int main() {
    ifstream fin("royfloyd.in");
    ofstream fout("royfloyd.out");

    int n;
    fin >> n;

    vector<vector<int>> d(n, vector<int>(n));
    for (int i = 0; i < n; ++i)
        for (int j = 0; j < n; ++j) {
            fin >> d[i][j];
            if (j != i && d[i][j] == 0)
                d[i][j] = INF;
        }
    
    for (int k = 0; k < n; ++k)
        for (int i = 0; i < n; ++i)
            for (int j = 0; j < n; ++j)
                if (d[i][j] > d[i][k] + d[k][j]) {
                    d[i][j] = d[i][k] + d[k][j];
                }
    
    for (int i = 0; i < n; ++i) {
        for (int j = 0; j < n; ++j)
            if (d[i][j] == INF)
                fout << 0 << ' ';
            else
                fout << d[i][j] << ' ';
        fout << '\n';
    }
    return 0;
}