Example: Sort String Descending with std::greater in C++

C
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Java
Python
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// Sort String Descending with std::greater
#include <iostream>
#include <string>    // Required for std::string
#include <algorithm> // Required for std::sort
#include <functional> // Required for std::greater
using namespace std;

int main() {
    // Step 1: Initialize the string
    string myString = "hello_world";
    cout << "Original string: " << myString << endl;

    // Step 2: Sort the string in descending order using std::greater<char>()
    // std::greater<char>() is a function object that defines a 'greater than' comparison.
    // std::sort uses this comparator to place larger characters before smaller ones.
    std::sort(myString.begin(), myString.end(), std::greater<char>());

    // Step 3: Print the sorted string
    cout << "Sorted string (descending): " << myString << endl;

    return 0;
}