結果

問題 No.3434 [Cherry 8th Tune N] 大きくして Hold on Card!
コンテスト
ユーザー tenten
提出日時 2026-02-04 18:18:46
言語 Java
(openjdk 25.0.2)
結果
AC  
実行時間 618 ms / 2,000 ms
コード長 4,036 bytes
記録
記録タグの例:
初AC ショートコード 純ショートコード 純主流ショートコード 最速実行時間
コンパイル時間 6,327 ms
コンパイル使用メモリ 82,988 KB
実行使用メモリ 59,648 KB
最終ジャッジ日時 2026-02-04 18:19:29
合計ジャッジ時間 41,601 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
other AC * 43
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 #
raw source code

import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        FastScanner sc = new FastScanner();
        int t = sc.nextInt();
        StringBuilder sb = new StringBuilder();
        while (t-- > 0) {
            int n = sc.nextInt();
            Card[] cards = new Card[n];
            long sum = 0;
            for (int i = 0; i < n; i++) {
                cards[i] = new Card(i, sc.nextInt());
                sum += cards[i].value;
            }
            int idx = 0;
            long max = sum;
            Arrays.sort(cards);
            for (int i = 0; i < n; i++) {
                sum += sc.nextInt() - cards[i].value;
                if (max < sum) {
                    idx = i + 1;
                    max = sum;
                }
            }
            char[] ans = new char[n];
            Arrays.fill(ans, '0');
            for (int i = 0; i < idx; i++) {
                ans[cards[i].idx] = '1';
            }
            sb.append(new String(ans)).append("\n");
        }
        System.out.print(sb);
    }
    
    static class Card  implements Comparable<Card> {
        int idx;
        int value;
        
        public Card(int idx, int value) {
            this.idx = idx;
            this.value = value;
        }
        
        public int compareTo(Card another) {
            return value - another.value;
        }
    }
}

class FastScanner {
    private DataInputStream din;
    private byte[] buffer;
    private int bufferPointer, bytesRead;
    private static final int BUFFER_SIZE = 1 << 16; // 65,536 バイト

    public FastScanner() {
        din = new DataInputStream(System.in);
        buffer = new byte[BUFFER_SIZE];
        bufferPointer = bytesRead = 0;
    }

    private byte read() {
        try {
            if (bufferPointer == bytesRead) {
                bytesRead = din.read(buffer, 0, BUFFER_SIZE);
                if (bytesRead == -1) return -1;
                bufferPointer = 0;
            }
            return buffer[bufferPointer++];
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }

    public String next() {
        byte b = read();
        // 空白文字を読み飛ばす
        while (isSpaceChar(b)) {
            b = read();
        }
        StringBuilder sb = new StringBuilder();
        while (!isSpaceChar(b)) {
            sb.append((char) b);
            b = read();
        }
        return sb.toString();
    }

    public int nextInt() {
        int ret = 0;
        byte c = read();
        while (isSpaceChar(c)) c = read();
        boolean neg = (c == '-');
        if (neg) c = read();
        do {
            ret = ret * 10 + c - '0';
            c = read();
        } while (!isSpaceChar(c));
        return neg ? -ret : ret;
    }

    public long nextLong() {
        long ret = 0;
        byte c = read();
        while (isSpaceChar(c)) c = read();
        boolean neg = (c == '-');
        if (neg) c = read();
        do {
            ret = ret * 10L + c - '0';
            c = read();
        } while (!isSpaceChar(c));
        return neg ? -ret : ret;
    }

    public double nextDouble() {
        double ret = 0, div = 1;
        byte c = read();
        while (isSpaceChar(c)) c = read();
        boolean neg = (c == '-');
        if (neg) c = read();
        do {
            ret = ret * 10 + c - '0';
            c = read();
        } while (!isSpaceChar(c) && c != '.');
        if (c == '.') {
            while (!isSpaceChar(c = read())) {
                ret += (c - '0') / (div *= 10);
            }
        }
        return neg ? -ret : ret;
    }

    private boolean isSpaceChar(byte c) {
        return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
    }

    public void close() {
        try {
            if (din != null) din.close();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
}


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