fork download
copy 
  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int count=0;
  7. 	vector<int>v={1,2,3};
  8. 	make_heap(v.begin(),v.end());
  9. 	//for(int i=0;i<v.size();i++){
  10. 	//	cout<<v[i]<<" ";
  11. 	//}
  12. 	  do{
  13. 			if(is_heap(v.begin(),v.end())){
  14. 			count=count+1;
  15.  
  16. 		    }
  17.  
  18. 		}while (next_permutation(v.begin()+1,v.end()));
  19.  
  20.  
  21. 	cout<<count;
  22.  
  23. 	return 0;
  24. }
Success #stdin #stdout 0s 4516KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
1
https://ideone.com/9nNWdb
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!