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