#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int INF = 10000000;
const int N = 101;
int n, pred[N][N], d[N][N];

int main() {
	fin >> n;
	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++) {
			fin >> d[i][j];
			if (i != j && d[i][j] == 0)
                d[i][j] = INF;
		}
	}

	for (int k = 1; k <= n; k++) {
		for (int i = 1; i <= n; i++) {
			for (int j = 1; j <= n; j++) {
				if (d[i][k] + d[k][j] < d[i][j]) {
					d[i][j] = d[i][k] + d[k][j];
					pred[i][j] = pred[k][j];
				}
			}
		}
	}

	for (int i = 1; i <= n; i++) {
		for (int j = 1; j <= n; j++) {
			fout << d[i][j] << ' ';
		}
		fout << '\n';
	}
	return 0;
}