結果

問題 No.524 コインゲーム
ユーザー tutuztutuz
提出日時 2018-12-29 01:40:06
言語 Java21
(openjdk 21)
結果
AC  
実行時間 62 ms / 1,000 ms
コード長 3,933 bytes
コンパイル時間 2,684 ms
コンパイル使用メモリ 77,624 KB
実行使用メモリ 50,648 KB
最終ジャッジ日時 2024-04-09 03:19:34
合計ジャッジ時間 5,925 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
このコードへのチャレンジ（β）

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 58 ms
50,180 KB
testcase_01 AC 57 ms
50,328 KB
testcase_02 AC 60 ms
50,296 KB
testcase_03 AC 59 ms
50,448 KB
testcase_04 AC 59 ms
50,332 KB
testcase_05 AC 57 ms
50,416 KB
testcase_06 AC 59 ms
50,232 KB
testcase_07 AC 59 ms
50,532 KB
testcase_08 AC 56 ms
50,436 KB
testcase_09 AC 58 ms
50,396 KB
testcase_10 AC 57 ms
50,436 KB
testcase_11 AC 57 ms
50,044 KB
testcase_12 AC 58 ms
50,364 KB
testcase_13 AC 58 ms
49,904 KB
testcase_14 AC 58 ms
50,196 KB
testcase_15 AC 58 ms
50,048 KB
testcase_16 AC 59 ms
50,320 KB
testcase_17 AC 59 ms
50,416 KB
testcase_18 AC 60 ms
50,548 KB
testcase_19 AC 59 ms
50,540 KB
testcase_20 AC 62 ms
50,284 KB
testcase_21 AC 58 ms
50,464 KB
testcase_22 AC 59 ms
50,500 KB
testcase_23 AC 57 ms
50,564 KB
testcase_24 AC 58 ms
50,384 KB
testcase_25 AC 57 ms
50,396 KB
testcase_26 AC 57 ms
50,384 KB
testcase_27 AC 56 ms
50,360 KB
testcase_28 AC 57 ms
50,648 KB
testcase_29 AC 57 ms
50,184 KB
testcase_30 AC 61 ms
50,320 KB
testcase_31 AC 59 ms
50,400 KB
testcase_32 AC 59 ms
50,280 KB
testcase_33 AC 58 ms
50,424 KB
testcase_34 AC 59 ms
50,396 KB
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.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.Reader;
import java.io.InputStreamReader;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        MyInput in = new MyInput(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        Task524 solver = new Task524();
        solver.solve(1, in, out);
        out.close();
    }

    static class Task524 {
        public void solve(int testNumber, MyInput in, PrintWriter out) {

            long n = in.nextLong();

            for (int i = 1; i <= 32; i++) {
                long k = n / (long) Math.pow(2, i);
                long cnt = k * (long) Math.pow(2, i - 1) + n - (long) Math.pow(2, i) * k - (long) Math.pow(2, i - 1) + 1;
                if (cnt > 0 && cnt % 2 == 1) {
                    out.println('O');
                    return;
                }
            }

            out.println('X');
        }

    }

    static class MyInput {
        private final BufferedReader in;
        private static int pos;
        private static int readLen;
        private static final char[] buffer = new char[1024 * 8];
        private static char[] str = new char[500 * 8 * 2];
        private static boolean[] isDigit = new boolean[256];
        private static boolean[] isSpace = new boolean[256];
        private static boolean[] isLineSep = new boolean[256];

        static {
            for (int i = 0; i < 10; i++) {
                isDigit['0' + i] = true;
            }
            isDigit['-'] = true;
            isSpace[' '] = isSpace['\r'] = isSpace['\n'] = isSpace['\t'] = true;
            isLineSep['\r'] = isLineSep['\n'] = true;
        }

        public MyInput(InputStream is) {
            in = new BufferedReader(new InputStreamReader(is));
        }

        public int read() {
            if (pos >= readLen) {
                pos = 0;
                try {
                    readLen = in.read(buffer);
                } catch (IOException e) {
                    throw new RuntimeException();
                }
                if (readLen <= 0) {
                    throw new MyInput.EndOfFileRuntimeException();
                }
            }
            return buffer[pos++];
        }

        public long nextLong() {
            int len = 0;
            str[len++] = nextChar();
            len = reads(len, isSpace);
            int i = 0;
            long ret = 0;
            if (str[0] == '-') {
                i = 1;
            }
            for (; i < len; i++)
                ret = ret * 10 + str[i] - '0';
            if (str[0] == '-') {
                ret = -ret;
            }
            return ret;
        }

        public char nextChar() {
            while (true) {
                final int c = read();
                if (!isSpace[c]) {
                    return (char) c;
                }
            }
        }

        int reads(int len, boolean[] accept) {
            try {
                while (true) {
                    final int c = read();
                    if (accept[c]) {
                        break;
                    }
                    if (str.length == len) {
                        char[] rep = new char[str.length * 3 / 2];
                        System.arraycopy(str, 0, rep, 0, str.length);
                        str = rep;
                    }
                    str[len++] = (char) c;
                }
            } catch (MyInput.EndOfFileRuntimeException e) {
            }
            return len;
        }

        static class EndOfFileRuntimeException extends RuntimeException {
        }

    }
}
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