#include<iostream.h>
#include<fstream.h>
int main()
{int i,j,a[200][200],k,n;
ifstream f("royfloyd.in");
ofstream h("royfloyd.out");
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(a[i][k]+a[k][j]<a[i][j]&&a[i][k]!=0&&a[k][j]!=0&&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++)
		h<<a[i][j]<<" ";
	h<<endl;}
		
	return 0;}