#include <fstream>
using namespace std;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

const int N=105;
const int inf=10000000;
int a[N][N];

int main()
{
	int n,i,j,k;
	in>>n;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
		{
			in>>a[i][j];
			if(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++)
				if(a[i][j]>a[i][k]+a[k][j] && i!=j)
					a[i][j]=a[i][k]+a[k][j];
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=n;j++)
		{
			if(a[i][j]!=inf)
				out<<a[i][j]<<" ";
			else
				out<<0<<" ";
		}
		out<<"\n";
		
	}
}