#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
#include <unordered_map>
#include <functional>
#include <unordered_set>
#include <string>
#include <set>
#include <utility>
#include <stack>

std::vector<std::vector<int>> matrix;

int main() {
    int N, a;
    std::cin >> N;
    std::vector<int> line;
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < N; j++) {
            std::cin >> a;
            if (a == 0) {
                line.push_back(INT16_MAX);
            } else {
                line.push_back(a);
            }
        }
        matrix.push_back(line);
        line.clear();
    }
    for (int n = 0; n < N; n++) {
        for (int i = 0; i < N; i++) {
            for (int j = 0; j < N; j++) {
                if (i != j) {
                    matrix[i][j] = std::min(matrix[i][j], matrix[i][n] + matrix[n][j]);
                }
            }
        }
    }
    int i, j;
    for (i = 0; i < N; i++) {
        for (j = 0; j < N - 1; j++) {
            if (matrix[i][j] == INT16_MAX) {
                std::cout << 0 << " ";
            } else {
                std::cout << matrix[i][j] << " ";
            }
        }
        if (matrix[i][j] == INT16_MAX) {
            std::cout << 0 << "\n";
        } else {
            std::cout << matrix[i][j] << "\n";
        }
    }
}