[백준] BOJ - 2164 카드2 java 자바 (실버4)

https://www.acmicpc.net/problem/2164

2164번: 카드2

 

나의풀이

import java.util.*;
import java.io.*;
public class Main {
    public static void main(String args[]) throws Exception{
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer st = new StringTokenizer(br.readLine());
       
        int n= Integer.parseInt(st.nextToken());
        
        Deque<Integer> q= new ArrayDeque<>();
        
        for(int i=1; i<=n; i++){
            q.add(i);
        }
        
        while(q.size()>1){
            q.poll();
            q.add(q.poll());
        }
        
        bw.write(Integer.toString(q.peek()));
        
        bw.flush();
        br.close();
        bw.close();
        
    }
}