#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

int n, mt[105][105];

void read() {
    fin >> n;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
            fin >> mt[i][j];
}

void roy_floyd() {
    for (int k = 0; k < n; k++)
        for (int i = 0; i < n; i++)
            for (int j = 0; j < n; j++)
                if ((mt[i][j] == 0 || mt[i][k] + mt[k][j] < mt[i][j]) && i != j && mt[i][k] && mt[k][j])
                    mt[i][j] = mt[i][k] + mt[k][j];
}

void show() {
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++)
            fout << mt[i][j] << " ";
        fout << "\n";
    }
}

int main(int argc, const char * argv[]) {
    read();
    roy_floyd();
    show();
}