#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,i,j,k,a[102][102];
void roy_floyd()
{
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if (i!=j && a[i][k]*a[k][j] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j])) a[i][j]=a[i][k]+a[k][j];
}
int main ()
{
	cin>>n;
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			cin>>a[i][j];
	roy_floyd();
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			cout<<a[i][j]<<" ";	
		cout<<"\n";
	}
}