#include<cstdio>
using namespace std;

int a[102][102], n;

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] && (a[i][j] > a[i][k] + a[k][j] || a[i][j] == 0) && i != 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");
	}
		
	printf("\n");
	return 0;
}