#include <iostream>
#include <vector>
#include <fstream>

using namespace std;

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

int n, m, mat[102][102] = {};

int main() {
    
    fin >> n;

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> mat[i][j];
        }
    }
    
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (mat[i][j] == 0 && i != j) {
                mat[i][j] = 0x3f3f3f3f;
            }
        }
    }

    for (int k = 1; k <= n; ++k) {
        for (int i = 1; i <= n; ++i) {
            for (int j = 1; j <= n; ++j) {
                if (mat[i][j] > mat[i][k] + mat[k][j]) {
                    mat[i][j] = mat[i][k] + mat[k][j];
                }
            }
        }
    }

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (mat[i][j] >= 0x3f3f3f3f) {
                cout << 0;
            } else {
                fout << mat[i][j] << ' ';
            }
        }
        fout << endl;
    }

    fin.close();
    fout.close();
    return 0;
}