LV. 0 :: 짝수의 합

https://school.programmers.co.kr/learn/courses/30/lessons/120831

프로그래머스

 

function solution(n) {
    var answer = 0;
    for (i=0; i<=n/2; i++) {answer += i;}
    answer *= 2
    return answer;
}

230509+)

const solution = (n) => {
    let sum = 0;
    for (i=1; i<=n; i++) {if(i%2==0){sum+=i;}}
    return sum;
}

230525 파이썬

def solution(n):
    sum = 0
    for i in range(0, n+1):
        if(i % 2 == 0):
            sum += i
    return sum

230914 C++

#include <string>
#include <vector>

using namespace std;

int solution(int n) {
    int answer = 0;
    for (int i=2;i<=n;i++){
        if(i%2==0){
            answer += i;
        }
    }
    return answer;
}