#include <bits/stdc++.h>

using namespace std;

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

int n, a[128][128];

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

void roy_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];
}

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

int main()
{
	citire();
	roy_floyd();
	afis();
	return 0;
}