結果

問題 No.189 SUPER HAPPY DAY
ユーザー threepipes_sthreepipes_s
提出日時 2015-04-22 01:49:10
言語 Java21
(openjdk 21)
結果
RE  
実行時間 -
コード長 3,639 bytes
コンパイル時間 3,617 ms
コンパイル使用メモリ 84,520 KB
実行使用メモリ 56,196 KB
最終ジャッジ日時 2023-09-18 07:40:55
合計ジャッジ時間 4,851 ms
ジャッジサーバーID
（参考情報） 		judge14 / judge15
このコードへのチャレンジ
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 RE -
testcase_01 RE -
testcase_02 RE -
testcase_03 RE -
testcase_04 RE -
testcase_05 RE -
testcase_06 RE -
testcase_07 RE -
testcase_08 RE -
testcase_09 RE -
testcase_10 RE -
testcase_11 RE -
testcase_12 RE -
testcase_13 RE -
testcase_14 RE -
testcase_15 RE -
testcase_16 RE -
testcase_17 RE -
testcase_18 RE -
testcase_19 RE -
testcase_20 RE -
testcase_21 RE -
testcase_22 RE -
testcase_23 RE -
testcase_24 RE -
testcase_25 RE -
権限があれば一括ダウンロードができます

ソースコード

diff # 

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Deque;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;

public class Main {
	public static void main(String[] args) throws NumberFormatException,
	IOException {
		ContestScanner in = new ContestScanner();
		int n = in.nextInt()*2;
		int[] a = new int[n];
		for(int i=0; i<n; i++){
			a[i] = in.nextInt();
		}
		Arrays.sort(a);
		Deque<Integer> qu = new LinkedList<Integer>();
		for(int i=0; i<n; i++){
			qu.add(a[i]);
		}
//		List<Integer> list = new LinkedList<Integer>();
		int count = 0;
		while(qu.size()>1){
			if(qu.peekFirst() + qu.peekLast() < 0){
				count++;
				qu.pollFirst();
				qu.pollLast();
			}
			else{
				qu.pollLast();
			}
		}
		System.out.print(count+" ");
		
		qu = new LinkedList<Integer>();
		for(int i=0; i<n; i++){
			qu.add(a[i]);
		}
//		List<Integer> list = new LinkedList<Integer>();
		count = 0;
		while(qu.size()>1){
			if(qu.peekFirst() + qu.peekLast() > 0){
				count++;
				qu.pollFirst();
				qu.pollLast();
			}
			else{
				qu.pollFirst();
			}
		}
		System.out.print(count+" ");
		
		qu = new LinkedList<Integer>();
//		list = new LinkedList<Integer>();
		for(int i=0; i<n; i++){
			qu.add(a[i]);
		}
		count = 0;
		while(qu.size()>1){
			if(qu.peekFirst() + qu.peekLast() == 0){
				count++;
				qu.pollFirst();
				qu.pollLast();
			}else if(qu.peekFirst() + qu.peekLast() < 0){
				qu.pollFirst();
			}else{
				qu.pollLast();
			}
		}
		System.out.println(count);
	}
}

class Node{
	int id;
	HashSet<Node> edge = new HashSet<Node>();
	public Node(int id) {
		this.id = id;
	}
	public void createEdge(Node node) {
		edge.add(node);
	}
}

class MyComp implements Comparator<int[]> {
	final int idx;
	public MyComp(int idx){
		this.idx = idx;
	}
	public int compare(int[] a, int[] b) {
		return a[idx] - b[idx];
	}
}

class Reverse implements Comparator<Integer> {
	public int compare(Integer arg0, Integer arg1) {
		return arg1 - arg0;
	}
}


class ContestWriter {
	private PrintWriter out;

	public ContestWriter(String filename) throws IOException {
		out = new PrintWriter(new BufferedWriter(new FileWriter(filename)));
	}

	public ContestWriter() throws IOException {
		out = new PrintWriter(System.out);
	}

	public void println(String str) {
		out.println(str);
	}

	public void print(String str) {
		out.print(str);
	}

	public void close() {
		out.close();
	}
}

class ContestScanner {
	private BufferedReader reader;
	private String[] line;
	private int idx;

	public ContestScanner() throws FileNotFoundException {
		reader = new BufferedReader(new InputStreamReader(System.in));
	}

	public ContestScanner(String filename) throws FileNotFoundException {
		reader = new BufferedReader(new InputStreamReader(new FileInputStream(
				filename)));
	}

	public String nextToken() throws IOException {
		if (line == null || line.length <= idx) {
			line = reader.readLine().trim().split(" ");
			idx = 0;
		}
		return line[idx++];
	}
	
	public String readLine() throws IOException{
		return reader.readLine();
	}

	public long nextLong() throws IOException, NumberFormatException {
		return Long.parseLong(nextToken());
	}

	public int nextInt() throws NumberFormatException, IOException {
		return (int) nextLong();
	}

	public double nextDouble() throws NumberFormatException, IOException {
		return Double.parseDouble(nextToken());
	}
}
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