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  1. #include <iostream>
  2. #include <string>
  3.  
  4. int main() {
  5.     using namespace std;
  6.     string input;
  7.     cout << ( cin >> input && input.length() == 1 && !input.find_first_of("123456789") ?
  8.               "correct" : "wornog" ) << endl;
  9. }
Success #stdin #stdout 0.01s 2728KB
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stdin
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Standard input is empty
stdout
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wornog
https://ideone.com/p6GDoL
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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