# include <cstdio>
using namespace std;
# define nmax 101
int N;int A[nmax][nmax];
void citire()
{
	FILE *f=freopen("royfloyd.in","r",stdin),*g=freopen("royfloyd.out","w",stdout);
	scanf("%d\n",&N);
	int i,j;
	for(i=1;i<=N;++i)
		for(j=1;j<=N;++j)
			scanf("%d ",A[i]+j);
}
void royfloyd()
{
	int i,j,k;
	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]) && i!=j) 
					A[i][j]=A[i][k]+A[k][j];
}
void afis()
{
	int i,j;
	for(i=1;i<=N;++i)
	{
		for(j=1;j<=N;++j)
			printf("%d ",A[i][j]);
		printf("\n");
	}
}
int main()
{
	citire();
	royfloyd();
	afis();
}