#include <iostream>
#include <fstream>

using namespace std;

int main()
{
	ifstream f("royfloyd.in");
	ofstream g("royfloyd.out");
	int n,i,j,k,a[101][101];
	f>>n;
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			f>>a[i][j];
	for (k=1;k<=n;k++)
		for (i=1;i<=n;i++)
			for (j=1;j<=n;j++)
				if(a[i][k]!=0 && a[k][j]!=0 && (a[i][j]>a[i][k]+a[k][j] || a[i][j]==0) && i!=j)
					a[i][j]=a[i][k]+a[k][j];
	for (i=1;i<=n;i++)
	{	
		for (j=1;j<=n;j++)
			g<<a[i][j]<<" ";
		g<<"\n";
	}
	return 0;
}