#include<stdio.h>
#define N 102

int a[N][N], i, j, n, k;

int main(){
	freopen("royfloyd.in","r",stdin);
	freopen("royfloyd.out","w",stdout);
	
	scanf("%d", &n);
	for (i = 1; i <= n; i++)
		for (j = 1; j <= n; j++)
			scanf("%d", &a[i][j]);
			
	for (k = 1; k <= n; k++)
		for (i = 1; i <= n; i++)
			for (j = 1; j <= n; j++)	
				if ((a[i][j] > a[i][k] + a[k][j] || !a[i][j]) && i != j && a[i][k] && a[k][j])
					a[i][j] = a[i][k] + a[k][j];
	
	for (i = 1; i <= n; i++){
		for (j = 1; j <= n; j++)
			printf("%d ", a[i][j]);
		printf("\n");
	}
	
	return 0;
}