fork(1) download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	int n, k;
  6. 	cin >> n >> k;
  7. 	if((n-1)%k!=0){
  8. 		cout<<"-1";
  9. 	}
  10. 	else{
  11. 	cout << n-(n-1)/k;
  12. 	}
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 4496KB
comments (?)
stdin
copy 
2 1
stdout
copy 
1
https://ideone.com/TRTpzh
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!