#include<fstream>
#define dim 102
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,k,a[dim][dim];
int main (){
	f>>n;
	int i,j;
	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!=j &&a[i][k] && a[k][j])
					
					if(a[i][j]>a[i][k]+a[k][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";
	}

	
	return 0;
}