結果

問題 No.378 名声値を稼ごう
ユーザー hiromi_ayase
提出日時 2016-06-17 22:28:12
言語 Java
(openjdk 23)
結果
AC  
実行時間 54 ms / 2,000 ms
コード長 2,911 bytes
コンパイル時間 2,210 ms
コンパイル使用メモリ 77,384 KB
実行使用メモリ 36,748 KB
最終ジャッジ日時 2024-06-29 13:54:06
合計ジャッジ時間 3,034 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 5
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 #
プレゼンテーションモードにする

import java.io.IOException;
import java.io.InputStream;
import java.util.NoSuchElementException;
public class Main {
    public static void main(String[] args) {
        FastScanner sc = new FastScanner();
        long N = sc.nextLong();
        long a = N;
        long p1 = 0;
        while (a > 0) {
            p1 += a;
            a /= 2;
        }
        long p2 = 0;
        long now = 0;
        long b = N;
        while (b > 0) {
            now += b;
            p2 = Math.max(p2, now + b);
            b /= 2;
        }
        System.out.println(p2 - p1);
    }
}
class FastScanner {
    public static String debug = null;
    private final InputStream in = System.in;
    private int ptr = 0;
    private int buflen = 0;
    private byte[] buffer = new byte[1024];
    private boolean eos = false;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                if (debug != null) {
                    buflen = debug.length();
                    buffer = debug.getBytes();
                    debug = "";
                    eos = true;
                } else {
                    buflen = in.read(buffer);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen < 0) {
                eos = true;
                return false;
            } else if (buflen == 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() {
        if (hasNextByte())
            return buffer[ptr++];
        else
            return -1;
    }
    private static boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    }
    private void skipUnprintable() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr]))
            ptr++;
    }
    public boolean isEOS() {
        return this.eos;
    }
    public boolean hasNext() {
        skipUnprintable();
        return hasNextByte();
    }
    public String next() {
        if (!hasNext())
            throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext())
            throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while (true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if (b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        return (int) nextLong();
    }
    public long[] nextLongList(int n) {
        return nextLongTable(1, n)[0];
    }
    public int[] nextIntList(int n) {
        return nextIntTable(1, n)[0];
    }
    public long[][] nextLongTable(int n, int m) {
        long[][] ret = new long[n][m];
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                ret[i][j] = nextLong();
            }
        }
        return ret;
    }
    public int[][] nextIntTable(int n, int m) {
        int[][] ret = new int[n][m];
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < m; j++) {
                ret[i][j] = nextInt();
            }
        }
        return ret;
    }
}
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