#include <bits/stdc++.h>

using namespace std;

#define NMAX 105

const int INF = 1e9;

int n, a[NMAX][NMAX];

int main()
{
	freopen("royfloyd.in", "r", stdin);
	freopen("royfloyd.out", "w", stdout);
	cin >> n;
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++)
			cin >> a[i][j];
		int i, j, k;
	for (k = 1; k <= n; k++)
		for (i = 1; i <= n; i++)
			for (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];
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++)
			cout << a[i][j] << ' ';
		cout << '\n';
	}
	return 0;
}