c++ for loops

#include <iostream>

int main() {
    // Example 1: Simple for loop
    for (int i = 0; i < 5; ++i) {
        std::cout << i << " ";
    }

    std::cout << "\n";

    // Example 2: Nested for loop
    for (int i = 0; i < 3; ++i) {
        for (int j = 0; j < 4; ++j) {
            std::cout << "(" << i << "," << j << ") ";
        }
        std::cout << "\n";
    }

    // Example 3: Range-based for loop (C++11 and later)
    int array[] = {1, 2, 3, 4, 5};
    for (int& element : array) {
        std::cout << element << " ";
    }

    return 0;
}