#include<fstream>
#include<algorithm>
#define inf 0x3f3f3f
using namespace std;
int n,i,j,a[102][102],k;
int main()
{
	ifstream fin("royfloyd.in");
	ofstream fout("royfloyd.out");
	fin>>n;
	for(i=1;i<=n;++i)
		for(j=1;j<=n;++j)
		{
			fin>>a[i][j];
			if(a[i][j]==0 && i!=j)
				a[i][j]=inf;
		}
	for(k=1;k<=n;++k)
		for(i=1;i<=n;++i)
			for(j=1;j<=n;++j)
				a[i][j]=min(a[i][k]+a[k][j],a[i][j]);
	for(i=1;i<=n;++i)
	{
		for(j=1;j<=n;++j)
			fout<<a[i][j]<<" ";
		fout<<"\n";
	}
}