#include<fstream>

using namespace std;

ifstream in("royfloyd.in");
ofstream out("royfloyd.out");

int n,i,j,k,a[101][101];

int main()
{
	in>>n;
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			in>>a[i][j];
		
	for (i=1;i<=n;i++)
		for (j=1;j<=n;j++)
			for (k=1;k<=n;k++)
				if (i!=j && a[i][k]!=0 && a[k][j]!=0)
					if (a[i][k]+a[k][j]<a[i][j] || a[i][j]==0)
						a[i][j]=a[i][k]+a[k][j];
	
	for (i=1;i<=n;i++)
	{
		for (j=1;j<=n;j++)
			out<<a[i][j]<<' ';
		out<<'\n';
	}
}