[SWEA] 퍼펙트 셔플

 

 

[문제]

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AWGsRbk6AQIDFAVW

SW Expert Academy

 

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Solution {
	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringTokenizer st;
		StringBuilder sb;
		int T = Integer.parseInt(br.readLine());
		for(int tc=1;tc<=T;tc++) {
			int n = Integer.parseInt(br.readLine());
			Queue<String> q1 = new LinkedList<>();
			Queue<String> q2 = new LinkedList<>();
			st = new StringTokenizer(br.readLine());
			sb = new StringBuilder();
			for(int i=1;i<=n/2;i++) {
				q1.offer(st.nextToken());
			}
			if(n%2==1) q1.offer(st.nextToken());
			for(int i=1;i<=n/2;i++) {
				q2.offer(st.nextToken());
			}
			for(int i=0;i<n/2;i++) {
				sb.append(q1.poll()+" "+q2.poll()+" ");
			}
			if(!q1.isEmpty()) sb.append(q1.poll());
			System.out.println("#"+tc+" "+sb);
		}
	}
}