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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <string>
  4. #include <cctype>
  5.  
  6.  
  7. int main() {
  8.    std::string string;
  9.    std::cin >> string;
  10.  
  11.    std::cout << std::boolalpha
  12.          << std::all_of(std::begin(string), std::end(string), ::isxdigit)
  13.          << std::endl;
  14. }
Success #stdin #stdout 0s 3032KB
comments (?)
stdin
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abc054fg
stdout
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false
https://ideone.com/CvrQwJ
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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