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  1. #include <iostream>
  2. using namespace std;
  3. bool kituara(string s, char c){
  4. if(s[0] == c) return true;
  5. if(s.length() == 0) return false;
  6. return kituara(s.substr(1,s.length()-1),c);
  7. }
  8. int main() {
  9. cout << kituara("asdf",'p');
  10. return 0;
  11. }
Success #stdin #stdout 0s 4420KB
stdin
Standard input is empty
stdout
Standard output is empty