#include <bits/stdc++.h>

using namespace std;

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

int M[105][105];

int main()
{
    int n;
    fin >> n;
    for (int i = 1; i <= n; i ++) {
        for (int j = 1; j <= n; j ++) {
            fin >> M[i][j];
        }
    }
    for (int k = 1; k <= n; k ++) {
        for (int i = 1; i <= n; i ++) {
            for (int j = 1; j <= n; j ++) {
                if (M[i][j] > M[i][k] + M[k][j] && M[i][j] && M[i][k] && M[k][j] && i != j) {
                    M[i][j] = M[i][k] + M[k][j];
                }
            }
        }
    }
    for (int i = 1; i <= n; i ++) {
        for (int j = 1; j <= n; j ++) fout << M[i][j] << " ";
        fout << "\n";
    }
    return 0;
}