#include <stdio.h>

int n, a[105][105];

void roy_floyd() 
{
	int i, j, k;
	for (k = 1; k <= n; k++)
		for (i = 1; i <= n; i++) 
			for (j = 1; j <= n; j++) 
				if (a[i][k] && a[k][j] 
				    && (a[i][j] > a[i][k] + a[k][j] || !a[i][j])
				    && i != j) 
					a[i][j] = a[i][k] + a[k][j];				
}

int main() 
{	
	freopen("royfloyd.in", "rt", stdin);
	freopen("royfloyd.out", "wt", stdout);
	
	scanf("%d", &n);
	for (int i = 1; i <= n; ++i) 
		for (int j = 1; j <= n; ++j) 
			scanf("%d", &a[i][j]);
	
	roy_floyd();
	for (int i = 1; i <= n; ++i) {
		for (int j = 1; j <= n; j++) 
			printf("%d ", a[i][j]);
		printf("\n");
	}

	return 0;
}