#include <iostream>
#include <algorithm>
#include <vector>
int main() {
std::vector<int> numbers = {5, 2, 9, 1, 5, 6};
std::sort(numbers.begin(), numbers.end(), std::greater<int>());
std::cout << "Numbers sorted in descending order: ";
for (const auto &num : numbers) {
std::cout << num << " ";
}
std::cout << std::endl;
return 0;
}
#include <iostream>: Includes the input/output stream library to perform input and output operations.
#include <algorithm>: Includes the algorithm library containing functions to work with ranges of elements, including sorting.
#include <vector>: Includes the vector library for using the vector container.
std::vector<int> numbers = {5, 2, 9, 1, 5, 6};: Declares a vector named numbers and initializes it with some integer values.
std::sort(numbers.begin(), numbers.end(), std::greater<int>());: Uses the std::sort function from the algorithm library to sort the elements in numbers vector. The std::greater<int>() function object is used as the comparator to sort the elements in descending order.
std::cout << "Numbers sorted in descending order: ";: Outputs a message indicating the sorted order will be displayed.
for (const auto &num : numbers) { std::cout << num << " "; }: Iterates through the sorted numbers vector and prints each element to the console separated by a space.
std::cout << std::endl;: Outputs an end-of-line character to start a new line in the console.
return 0;: Indicates successful program execution and returns 0 to the operating system.