#include<fstream>
#include<iostream>
#include<algorithm>
#include<vector>
#define INF 200000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[101][101],i,j,n,m,k;
int main()
{
	fin>>n;
	for(i=1;i<=n;i++)
		for(j=1;j<=n;j++)
		{
			fin>>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(i!=j && i!=k && j!=k && 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++)
			if(a[i][j]==INF)
				fout<<0<<" ";
			else
				fout<<a[i][j]<<" ";
		fout<<"\n";
	}
	return 0;
}