c++ vector decimal to binary

#include <iostream>
#include <vector>
#include <bitset>

int main() {
    std::vector<int> decimalNumbers = {5, 10, 15, 20};
    for (int decimal : decimalNumbers) {
        std::bitset<8> binary(decimal);
        std::cout << "Decimal: " << decimal << ", Binary: " << binary << std::endl;
    }
    return 0;
}