Sleep Sort in C++

Welcome to the Sleep Sort in C++ page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

#include <iostream>
#include <vector>
#include <string>
#include <thread>
#include <mutex>
#include <sstream>
#include <chrono>

std::mutex mtx;
std::vector<int> sorted_numbers;

void sortNumber(int number) {
    std::this_thread::sleep_for(std::chrono::seconds(number));
    std::lock_guard<std::mutex> lock(mtx);
    sorted_numbers.push_back(number);
}

std::vector<int> parseInput(const std::string &input) {
    std::vector<int> numbers;
    std::stringstream ss(input);
    std::string token;

    while (std::getline(ss, token, ',')) {
        try {
            int num = std::stoi(token);
            numbers.push_back(num);
        } catch (...) {
            throw std::invalid_argument("Invalid input");
        }
    }

    return numbers;
}

int main(int argc, char* argv[]) {
    if (argc != 2) {
        std::cerr << "Usage: please provide a list of at least two integers to sort in the format \"1, 2, 3, 4, 5\"\n";
        return 1;
    }

    std::string input = argv[1];
    if (input.empty() || input[0] == ' ') {
        std::cerr << "Usage: please provide a list of at least two integers to sort in the format \"1, 2, 3, 4, 5\"\n";
        return 1;
    }

    std::vector<int> numbers;
    try {
        numbers = parseInput(input);
    } catch (...) {
        std::cerr << "Usage: please provide a valid list of integers in the format \"1, 2, 3, 4, 5\"\n";
        return 1;
    }

    if (numbers.size() < 2) {
        std::cerr << "Usage: please provide a list of at least two integers to sort in the format \"1, 2, 3, 4, 5\"\n";
        return 1;
    }

    std::vector<std::thread> threads;
    for (int num : numbers) {
        threads.emplace_back(sortNumber, num);
    }

    for (auto &t : threads) {
        t.join();
    }

    for (size_t i = 0; i < sorted_numbers.size(); ++i) {
        std::cout << sorted_numbers[i];
        if (i < sorted_numbers.size() - 1) std::cout << ", ";
    }
    std::cout << std::endl;

    return 0;
}

Sleep Sort in C++ was written by:

• Apurva Vats

If you see anything you'd like to change or update, please consider contributing.

How to Implement the Solution

No 'How to Implement the Solution' section available. Please consider contributing.

How to Run the Solution

No 'How to Run the Solution' section available. Please consider contributing.