#include<cstdio>
#define inf (1<<30)
#define min(a, b) ((a) < (b) ? (a) : (b))

using namespace std;
int n;
int a[101][101];

int main() {
	int i, j, k;
	
	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][k] && a[k][j] && i != j) a[i][j] = min(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;
}