LV. 0 :: 배열 두 배 만들기

https://school.programmers.co.kr/learn/courses/30/lessons/120809

프로그래머스

 

function solution(numbers) {
    for (i=0; i<numbers.length; i++){
        numbers[i] *= 2;
    }
    return numbers;
}

+) 230510

const solution = (numbers) => { 
    return numbers.map(x => x*2);
}

230525 파이썬

def solution(numbers):
  return [x * 2 for x in numbers]

230915 C++

#include <string>
#include <vector>

using namespace std;

vector<int> solution(vector<int> numbers) { 
    for (int i=0; i<numbers.size(); i++){
        numbers[i] *=2;
    }
    return numbers;
}