#include<fstream>
#define inf 0x3f3f3f3f
#include<algorithm>
using namespace std;
int a[101][101];
int n,i,j,k;
int main()
{
	ifstream f("royfloyd.in");
	ofstream g("royfloyd.out");
	f>>n;
	for(i=1;i<=n;++i)
		for(j=1;j<=n;++j)
		{
			f>>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][j],a[i][k]+a[k][j]);
	for(i=1;i<=n;++i)
	{
		for(j=1;j<=n;++j)
			if(a[i][j]!=inf)
				g<<a[i][j]<<" ";
			else
				g<<0<<" ";
		g<<"\n";
	}
}