Algorithm/java/BOJ_2164.java at master · otu165/Algorithm

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package baekjoon.silver;

import java.io.*;

import java.util.LinkedList;

import java.util.Queue;

public class BOJ_2164 {

public static void main(String[] args) throws IOException {

// 입력

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

int N = Integer.parseInt(br.readLine());

Queue<Integer> q = new LinkedList<>();

for (int i = 1; i <= N; i++) {

q.offer(i);

}

// 풀이

for (int i = 0; i < N; i++) {

if(q.size() == 1) {

break;

}

q.poll();

q.offer(q.poll());

}

// 출력

System.out.println(q.peek());

}