#include <iostream>
#include <fstream>
using namespace std;

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

int n;
int graph[105][105];


void RoyFloyd() {
    for (int k = 1; k <= n; k++) {
        for (int i = 1; i <= n; i++) {
            for (int j = 1; j <= n; j++) {
                if (graph[k][j] + graph[i][k] < graph[i][j] && graph[i][k] && graph[k][j]) {
                    graph[i][j] = graph[k][j] + graph[i][k];
                }
            }
        }
    }
}

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

    RoyFloyd();

    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            fout << graph[i][j] << ' ';
        }
        fout << '\n';
    }
}