[SWEA] 식료품 가게

 

 

[문제]

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AYxCRFA6iiEDFASu

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));
		int T = Integer.parseInt(br.readLine());
		StringTokenizer st;
		StringBuilder sb;
		for(int tc=1;tc<=T;tc++) {
			sb = new StringBuilder();
			int n = Integer.parseInt(br.readLine());
			int[] nums = new int[n*2];
			st = new StringTokenizer(br.readLine());
			for(int i=0;i<n*2;i++) {
				nums[i] = Integer.parseInt(st.nextToken());
			}
			List<Integer> list = new LinkedList<>();
			for(int i=0;i<2*n-1;i++) {
				for(int j=i+1;j<2*n;j++) {
					if(nums[i] == 0.75 * nums[j]) {
						list.add(nums[i]);
						nums[i] = nums[j] = -1;
					}
				}
			}
			Collections.sort(list);
			for(int v : list) {
				sb.append(v+" ");
			}
			System.out.println("#"+tc+" "+sb);
		}
	}
}