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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4.  
  5. bool is_strelka(string s) {
  6. 	if (s == ">>-->" || s == "<--<<") {
  7. 		return true;
  8. 	}
  9.  
  10. 	return false;
  11. }
  12.  
  13. int main() {
  14. 	ios::sync_with_stdio(false);
  15. 	cin.tie(0);
  16.  
  17. 	string s;
  18. 	cin >> s;
  19.  
  20. 	if (s.length() < 5) {
  21. 		cout << 0;
  22. 		return 0;
  23. 	}
  24.  
  25. 	int res = 0;
  26.  
  27. 	for (int i = 0; i < s.length() - 4; i++) {
  28. 		if (is_strelka(s.substr(i, 5))) {
  29. 			res++;
  30. 		}
  31. 	}
  32.  
  33. 	cout << res;
  34.  
  35.  
  36. 	return 0;
  37. }
  38.  
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin
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<<<<>>--><--<<--<<>>>--><<<<<<<<<>>--><--<<--<<>>>--><<<<<<<<<>>--><--<<--<<>>>--><<<<<<<<<>>--><--<<--<<>>>--><<<<<<<<<>>--><--<<--<<>>>--><<<<<<<<<>>--><--<<--<<>>>--><<<<<<<<<>>--><--<<--<<>>>--><<<<<<<<<>>--><--<<--<<>>>--><<<<<
stdout
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32
https://ideone.com/CnmiZb
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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