#include <cstdio>
#include <cstdlib>
#include <cstring>

int a[128][128];

int main() {
	freopen("royfloyd.in", "r", stdin);
	freopen("royfloyd.out", "w", stdout);
	int N;
	scanf("%d", &N);
	for (int i = 0; i < N; i++)
		for (int j = 0; j < N; j++)
			scanf("%d", &a[i][j]);
	for (int k = 0; k < N; k++)
		for (int i = 0; i < N; i++)
			for (int j = 0; j < N; j++)
				if (a[i][k] && a[k][j] && (a[i][k] + a[k][j] < a[i][j] || !a[i][j]))
					a[i][j] = a[i][k] + a[k][j];
	for (int i = 0; i < N; i++) {
		a[i][i] = 0;
		for (int j = 0; j < N; j++)
			printf("%d ", a[i][j]);
		printf("\n");
	}
	return 0;
}