#include<fstream>
#define dim 103
using namespace std;


ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int a[dim][dim],k,i,j,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!=j && a[i][k] && a[k][j]){
					if(!a[i][j] || 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]<<"\m";
		g<<"\n";
	}
	return 0;
}