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  1. #include <iostream>
  2. #include <memory>
  3. #include <string>
  4. #include <vector>
  5. #include <algorithm>
  6.  
  7.  
  8. int main() {
  9.  
  10. 	std::string str = "Hello World";
  11. 	std::vector<unsigned long int> keys;
  12.  
  13. 	// forward
  14. 	for(std::string::iterator it = str.begin(); it != str.end(); ++it) {
  15. 		unsigned long int c = (unsigned long int) (*it);
  16. 		keys.push_back(c);
  17. 	}
  18.  
  19. 	for(unsigned long int x : keys) {
  20. 		std::cout << (char)x;
  21. 	}
  22.  
  23. 	std::cout << std::endl;
  24.  
  25. 	keys.clear();
  26.  
  27.  
  28. 	// reverse
  29. 	for(std::string::reverse_iterator it = str.rbegin(); it != str.rend(); ++it) {
  30. 		unsigned long int c = (unsigned long int) (*it);
  31. 		keys.push_back(c);
  32. 	}
  33.  
  34.  
  35. 	for(unsigned long int x : keys) {
  36. 		std::cout << (char)x;
  37. 	}
  38.  
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 3228KB
comments (?)
stdin 
Standard input is empty
stdout 
Hello World
dlroW olleH
https://ideone.com/1sn5tF
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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