#include <iostream>
#include <fstream>

#define NMAX (100 + 7)
#define inf (100*100*1000 + 7)

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

int N, a[NMAX][NMAX], d[2][NMAX][NMAX];

int main() {
    fin >> N;
    for(int i = 1; i<= N; ++i) {
        for(int j = 1; j<= N; ++j) {
            fin >> a[i][j];
            d[0][i][j] = (a[i][j] || i == j) ? a[i][j] : inf;
        }
    }
    for(int k = 1, pk = 1; k<= N; ++k, pk = 1 - pk) {
        for(int i = 1; i<= N; ++i) {
            for(int j = 1; j<= N; ++j) {
                d[pk][i][j] = min(d[1-pk][i][j], d[1-pk][i][k] + d[1-pk][k][j]);
                if(k == N) fout << d[pk][i][j] << ' ';
            }
            if(k == N) fout << '\n';
        }
    }
}