#include<fstream.h>
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[101][101],i,j,k,n;
int main ()
{
f>>n;
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 (i!=k && j!=k && i!=j && (a[i][j]>a[i][k]+a[k][j] || !a[i][j])) a[i][j]=a[i][k]+a[k][j];
for (i=1;i<=n;i++)
	{if (i!=1) g<<'\n';
	 for (j=1;j<=n;j++) g<<a[i][j]<<" ";
	}
return 0;
}