A little question

Question

How to flip over the value in string
E.g
String a = "Hello"
//some code
Output olleh

Answer 1

You can use string reverse iterator to generate a reversed version, as follows:
std::string str {"Hello World"};
std::string reversed {str.crbegin(), str.crend()};
std::cout << reversed;

Answer 2

Loop over the string from back to front printing each char.

Answer 3

Tq