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  1. #include <iostream>
  2. #include <string>
  3. #include <cctype>
  4.  
  5. void toLowercase(std::string& s) {
  6. 	for(int i = 0; i < s.length(); i++)
  7. 		s[i] = tolower(s[i]);
  8. }
  9. int main() {
  10. 	std::string hello = "HELLO WORLD";
  11. 	toLowercase(hello);
  12. 	std::cout << hello;
  13. }
Success #stdin #stdout 0.01s 2856KB
comments (?)
stdin 
Standard input is empty
stdout 
hello world
https://ideone.com/4zWl5
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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