fork(4) download
copy 
  1. #include<iostream>
  2. #include<string>
  3. using namespace std;
  4. string S;
  5. int main() {
  6. 	cin >> S;
  7. 	int cnt = 0;
  8. 	for (int i = 0; i < S.size(); i++) {
  9. 		if (S[i] == 'I' && cnt % 2 == 0) {
  10. 			cnt++;
  11. 		}
  12. 		else if (S[i] == 'O' && cnt % 2 == 1) {
  13. 			cnt++;
  14. 		}
  15. 	}
  16. 	if (cnt % 2 == 0 && cnt >= 1) { cnt--; }
  17. 	cout << cnt << endl;
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
copy 
IOOIIOIOIIOI
stdout
copy 
9
https://ideone.com/Mca8qS
language:
C++14 (gcc 8.3)
created:
8 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!