#include <fstream>

#define NMax 110
#define INF 2000000000

using namespace std;

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

int nodes, edges, distances[NMax][NMax];

int getmin(int a, int b)
{
	if (a < b)
		return a;
	return b;
}

int main()
{
	f >> nodes;

	int n1, n2;
	for (int i = 1; i <= nodes; i++) {
		for (int j = 1; j <= nodes; j++) {
			f >> distances[i][j];

			if (!distances[i][j])
				distances[i][j] = INF;
		}
	}

	for (int k = 1; k <= nodes; k++) {
		for (int i = 1; i <= nodes; i++) {
			for (int j = 1; j <= nodes; j++) {

				if (i == j)
					continue;
				distances[i][j] = getmin(distances[i][j], distances[i][k] + distances[k][j]);

			}
		}
	}

	for (int i = 1; i <= nodes; i++)
		distances[i][i] = 0;

	for (int i = 1; i <= nodes; i++) {
		for (int j = 1; j <= nodes; j++)
			g << distances[i][j] << " ";
		g << "\n";
	}

	return 0;
}