[Programmers] Lv2: 점프와 순간 이동(12980)

문제

- 링크: https://school.programmers.co.kr/learn/courses/30/lessons/12980?language=java

 

풀이

import java.util.*;

public class Solution {
    public int solution(int n) {
        int ans = 0;
        while (n > 0) {
            if (n % 2 == 0) {
                n /= 2;
            } else {
                ans += n % 2;
                n /= 2;
            }
        }

        return ans;
    }
}