#include<cstdio>
using namespace std;

const char in[] = "royfloyd.in";
const char out[] = "royfloyd.out";

const int N_Max = 105;

int N, a[N_Max][N_Max];

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