#include <bits/stdc++.h>

using namespace std;

int n, m, a[101][101], ok;

void gogu2_floyd() {
    for(int k = 1; k <= n; k++)
        for(int i = 1; i <= n; i++)
            for(int j = 1; j <= n; 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];

}

int main() {
    //ifstream cin("royfloyd.in");
    //ofstream cout("royfloyd.out");
    cin >> n;
    for(int i = 1; i <= n; i++)
        for(int j = 1; j <= n; j++)
            cin >> a[i][j];
    gogu2_floyd();
    for(int i = 1; i <= n; i++, cout << '\n')
        for(int j = 1; j <= n; j++)
            cout << a[i][j] << ' ';
    return 0;
}