#include<fstream>
using namespace std;
#define oo 0x3f3f3f3f
int main()
{
	long n,muc[101][101],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",&muc[i][j]);
			if(muc[i][j]==0&&i!=j)
				muc[i][j]=oo;
		}

	for(k=1;k<=n;k++)
		for(i=1;i<=n;i++)
			for(j=1;j<=n;j++)
				if(muc[i][k]+muc[k][j] < muc[i][j])
					muc[i][j] = muc[i][k]+muc[k][j];

	for(i = 1; i<=n; i++)
	{
		for(j=1; j<=n; j++)
			if(muc[i][j]<oo)
				printf("%ld ",muc[i][j]);
			else 
				printf("0 ");
		printf("\n");
	}
	return 0;
}