코드포스 579A (codeforces 579A)
Algorithms / 코드포스 (codeforces)
Codeforces Codeforces 579a 코드포스 코드포스 579a Problem - 579a - codeforces
코드포스 579A (codeforces 579A) 문제 풀이 및 코드 (description and code)
Problem - 579A - Codeforces
코드
import java.io.*;
public class CF579A {
static int x, count;
static String s;
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
x = Integer.parseInt(br.readLine());
s = Integer.toBinaryString(x);
for (int i = 0; i < s.length(); i++) {
count += (s.charAt(i) == '1') ? 1 : 0;
}
bw.write(count + "\n");
bw.flush();bw.close();
}
}