#include<cstdio>
#define inf 0xfffffff
#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]);	
			if(i != j && a[i][j] == 0) a[i][j] = inf;
		}			

	for(k = 1; k <= n; k++)
		for(i = 1; i <= n; i++)
			for(j = 1; j <= n; 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] != inf ? a[i][j] : 0);
		printf("\n");
	}
	
	return 0;
}