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

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int a[101][101], n;

void read() {
    f >> n;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= n; ++j)
            f >> a[i][j];
}

void solve() {
    for(int k = 1; k <= n; ++k)
        for(int i = 1; i <= n; ++i)
            for(int j = 1; j <= n; ++j)
                if(a[i][j] > a[i][k] + a[k][j])
                    if (a[i][k] && a[k][j] && (a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j)
                        a[i][j] = a[i][k] + a[k][j];
}

void print() {
    for(int i = 1; i <= n; ++i, g << '\n')
        for(int j = 1; j <= n; ++j)
            g << a[i][j] << " ";
}

int main()
{
    read();
    solve();
    print();
}