fork download
copy 
  1. #include <iostream>
  2. #include<vector>
  3. #include<unordered_map>
  4. using namespace std;
  5.  
  6. int main() {
  7. 	vector<int> nums={1,2,3};
  8. 	int k=2;
  9. 	int count=0;
  10.  
  11. 	for(int i=0;i<nums.size();i++) {
  12. 		unordered_map<int,int> m;
  13. 		for(int j=i;j<nums.size();j++) {
  14. 			m[nums[j]]++;
  15. 			if(m.size()<=k) {
  16. 				count++;
  17. 			}
  18. 		}
  19. 	}
  20. 	cout<<count<<endl;
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
5
https://ideone.com/5VVVlS
language:
C++14 (gcc 8.3)
created:
5 hours 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!