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

const int N_MAX = 100005;
const int INF = 1e9;

int matrix[105][105];
int n;

int main() {
    std::ifstream fin("royfloyd.in");
    std::ofstream fout("royfloyd.out");

    fin >> n;
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            fin >> matrix[i][j];
            if (matrix[i][j] == 0 and i != j)
                matrix[i][j] = INF;
        }
    }

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

    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            if (matrix[i][j] == INF)
                fout << 0 << " ";
            else
                fout << matrix[i][j] << " ";
        }
        fout << '\n';
    }

    return 0;
}