#include<iostream>
#include<fstream>
using namespace std;
ifstream f("royfloid.in");
ofstream g("royfloid.out");
int a[100][100],n,i,j,k;
int main()
{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]+a[k][j]<a[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<<endl;}
}