#include <stdio.h>

#define nm 128

int n, a[nm][nm];

int main()
{
	freopen("royfloyd.in", "r", stdin);
	freopen("royfloyd.out", "w", stdout);

	scanf("%d", &n);

	for (int i = 1; i <= n; ++i)
		for (int j = 1; j <= n; ++j)
			scanf("%d", &a[i][j]);

	for (int k = 1; k <= n; ++k)
		for (int i = 1; i <= n; ++i)
			for (int j = 1; j <= n; ++j)
				if (i != j && a[i][k] && a[k][j] && (a[i][k] + a[k][j] < a[i][j] || a[i][j] == 0))
					a[i][j] = a[i][k] + a[k][j];

	for (int i = 1; i <= n; ++i) {
		for (int j = 1; j <= n; ++j)
			printf("%d ", a[i][j]);
		printf("\n");
	}

	return 0;
}