結果

問題 No.1594 Three Classes
ユーザー nishi5451nishi5451
提出日時 2021-08-02 16:47:16
言語 Java21
(openjdk 21)
結果
AC  
実行時間 75 ms / 2,000 ms
コード長 2,714 bytes
コンパイル時間 2,114 ms
コンパイル使用メモリ 78,628 KB
実行使用メモリ 37,744 KB
最終ジャッジ日時 2024-11-16 08:31:55
合計ジャッジ時間 4,162 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
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 AC 71 ms
37,648 KB
testcase_01 AC 47 ms
36,380 KB
testcase_02 AC 45 ms
36,748 KB
testcase_03 AC 72 ms
37,504 KB
testcase_04 AC 69 ms
37,612 KB
testcase_05 AC 71 ms
37,440 KB
testcase_06 AC 71 ms
37,424 KB
testcase_07 AC 75 ms
37,572 KB
testcase_08 AC 71 ms
37,380 KB
testcase_09 AC 71 ms
37,244 KB
testcase_10 AC 71 ms
37,228 KB
testcase_11 AC 70 ms
37,744 KB
testcase_12 AC 71 ms
37,384 KB
testcase_13 AC 46 ms
36,648 KB
testcase_14 AC 73 ms
37,396 KB
testcase_15 AC 72 ms
37,504 KB
testcase_16 AC 57 ms
36,864 KB
testcase_17 AC 74 ms
37,644 KB
testcase_18 AC 46 ms
36,744 KB
testcase_19 AC 46 ms
36,792 KB
testcase_20 AC 45 ms
36,516 KB
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ソースコード

diff #

import java.util.*;
import java.io.*;

public class Main {
	static final int INF = 1<<30;
	static final long INFL = 1L<<60;
	static final int MOD = 1000000007;
	static final int MOD2 = 998244353;
	static List<List<Integer>> g;
	static long ans;
	static long[] e;
	static void rec(int n, long a, long  b, long c){
		if(n == 0){
			if(a == b && b == c) ans++;
			return;
		}
		rec(n-1, a+e[n-1], b, c);
		rec(n-1, a, b+e[n-1], c);
		rec(n-1, a, b, c+e[n-1]);
	}
	
	public static void main(String[] args) {
		FastScanner fs = new FastScanner();
		PrintWriter pw = new PrintWriter(System.out);
		int n = fs.nextInt();
		e = fs.nextLongs(n);
		ans = 0;
		rec(n,0,0,0);
		if(ans > 0) pw.println("Yes");
		else pw.println("No");
		pw.close();
	}
}

class FastScanner {
	private InputStream in = System.in;
	private byte[] buffer = new byte[1024];
	private int length = 0, p = 0;
	private boolean hasNextByte() {
		if (p < length) return true;
		else{
			p = 0;
			try{
				length = in.read(buffer);
			}catch(Exception e){
				e.printStackTrace();
			}
			if(length == 0) return false;
		}
		return true;
	}
	private int readByte() {
		if (hasNextByte() == true) return buffer[p++];
		return -1;
	}
	private static boolean isPrintable(int n) {
		return 33 <= n && n <= 126;
	}
	private void skip() {
		while (hasNextByte() && !isPrintable(buffer[p])) p++;
	}
	public boolean hasNext() {
		skip();
		return hasNextByte();
	}
	public String next() {
		if(!hasNext()) throw new NoSuchElementException();
		StringBuilder sb = new StringBuilder();
		int temp = readByte();
		while (isPrintable(temp)) {
			sb.appendCodePoint(temp);
			temp = readByte();
		}
		return sb.toString();
	}
	public int nextInt() {
		return Math.toIntExact(nextLong());
	}
	public int[] nextInts(int n) {
		int[] ar = new int[n];
		for (int i = 0; i < n; i++) ar[i] = nextInt();
		return ar;
	}
	public long[] nextLongs(int n) {
		long[] ar = new long[n];
		for (int i = 0; i < n; i++) ar[i] = nextLong();
		return ar;
	}
	public long nextLong() {
		if(!hasNext()) throw new NoSuchElementException();
		boolean minus = false;
		int temp = readByte();
		if (temp == '-') {
			minus = true;
			temp = readByte();
		}
		if (temp < '0' || '9' < temp) throw new NumberFormatException();
		long n = 0;
		while (isPrintable(temp)) {
			if ('0' <= temp && temp <= '9') {
				n *= 10;
				n += temp - '0';
			}
			temp = readByte();
		}
		return minus ? -n : n;
	}
	public char[] nextChars() {
		String s = next();
		return s.toCharArray();
	}
	public char[][] nextCharMat(int h, int w) {
		char[][] ar = new char[h][w];
		for(int i = 0; i < h; i++){
			String s = next();
			for(int j = 0; j < w; j++){
				ar[i][j] = s.charAt(j);
			}
		}
		return ar;
	}
}
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