#include<stdio.h>

#define NMAX 100

int a[NMAX][NMAX];

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

	return 0;
}