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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <cctype>
  4.  
  5. using namespace std;
  6.  
  7. int main()
  8. {
  9. 	string s = "12345678";
  10. 	cout << boolalpha << all_of(s.begin(), s.end(), ::isdigit) << endl;
  11. 	s[0] = 'x';
  12. 	cout << boolalpha << all_of(s.begin(), s.end(), ::isdigit) << endl;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 3456KB
comments (?)
stdin
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Standard input is empty
stdout
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true
false
https://ideone.com/VjgVpV
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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