#ifdef WIN32
#define _CRT_SECURE_NO_WARNINGS
#endif

#include <stdio.h>

int a[128][128];


int main()
{
	freopen("royfloyd.in", "rt", stdin);
	freopen("royfloyd.out", "wt", stdout);

	int n, i, j, k;
	scanf("%d", &n);
	for (i = 0; i < n; i++)
		for (j = 0; j < n; j++)
			scanf("%d", &a[i][j]);

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

	for (i = 0; i < n; i++)
	{
		for (j = 0; j < n; j++)
			printf("%d ", a[i][j]);
		printf("\n");
	}

	return 0;
}