Comparative Analysis of Execution Time: C++, JavaScript, Python, Java, and C#

#include <iostream>
#include <chrono>

int main() {
    const int size = 1000000;
    int array[size];

    // Initialize array with random values
    for (int i = 0; i < size; ++i) {
        array[i] = rand();
    }

    auto start = std::chrono::high_resolution_clock::now();

    // Calculate the sum
    long long sum = 0;
    for (int i = 0; i < size; ++i) {
        sum += array[i];
    }

    auto stop = std::chrono::high_resolution_clock::now();
    auto duration = std::chrono::duration_cast<std::chrono::microseconds>(stop - start);

    std::cout << "C++ Execution Time: " << duration.count() << " microseconds\n";

    return 0;
}

const size = 1000000;
const array = new Array(size).fill(0).map(() => Math.random());

const start = new Date().getTime();

// Calculate the sum
const sum = array.reduce((acc, val) => acc + val, 0);

const stop = new Date().getTime();
const duration = stop - start;

console.log(`JavaScript Execution Time: ${duration} milliseconds`);

import time
import random

size = 1000000
array = [random.random() for _ in range(size)]

start = time.time()

# Calculate the sum
total_sum = sum(array)

stop = time.time()
duration = (stop - start) * 1000  # Convert to milliseconds

print(f"Python Execution Time: {duration} milliseconds")

public class SumExample {
    public static void main(String[] args) {
        int size = 1000000;
        double[] array = new double[size];

        // Initialize array with random values
        for (int i = 0; i < size; ++i) {
            array[i] = Math.random();
        }

        long start = System.nanoTime();

        // Calculate the sum
        double sum = 0;
        for (int i = 0; i < size; ++i) {
            sum += array[i];
        }

        long stop = System.nanoTime();
        long duration = (stop - start) / 1000000;  // Convert to milliseconds

        System.out.println("Java Execution Time: " + duration + " milliseconds");
    }
}

using System;
using System.Diagnostics;

class Program {
    static void Main() {
        int size = 1000000;
        double[] array = new double[size];

        // Initialize array with random values
        for (int i = 0; i < size; ++i) {
            array[i] = new Random().NextDouble();
        }

        Stopwatch stopwatch = new Stopwatch();
        stopwatch.Start();

        // Calculate the sum
        double sum = 0;
        for (int i = 0; i < size; ++i) {
            sum += array[i];
        }

        stopwatch.Stop();
        Console.WriteLine($"C# Execution Time: {stopwatch.ElapsedMilliseconds} milliseconds");
    }
}