#include<fstream.h>

int n,a[105][105];

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

int main()
{	f>>n;
	int i,j,k;
	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][k] + a[k][j] || !a[i][j]) && 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<<"\n";
	}

	g.close();
	f.close();
	return 0;
}