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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	string s = "1_2_rec2";
  7. 	int id = stoi(string(s.begin()+s.find("rec")+3, s.end()));
  8. 	cout << id;
  9. 	return 0;
  10. }
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin 
Standard input is empty
stdout 
2
https://ideone.com/sQRgNN
language:
C++14 (gcc 8.3)
created:
2 years ago
visibility:
public

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