結果
問題 | No.253 ロウソクの長さ |
ユーザー | jp_ste |
提出日時 | 2016-06-09 01:20:06 |
言語 | Java19 (openjdk 21) |
結果 |
AC
|
実行時間 | 99 ms / 2,000 ms |
コード長 | 3,737 bytes |
コンパイル時間 | 2,301 ms |
コンパイル使用メモリ | 77,472 KB |
実行使用メモリ | 68,804 KB |
平均クエリ数 | 34.19 |
最終ジャッジ日時 | 2023-09-24 00:06:15 |
合計ジャッジ時間 | 7,990 ms |
ジャッジサーバーID (参考情報) |
judge11 / judge13 |
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 | 98 ms
66,792 KB |
testcase_01 | AC | 94 ms
66,864 KB |
testcase_02 | AC | 97 ms
66,760 KB |
testcase_03 | AC | 88 ms
66,884 KB |
testcase_04 | AC | 88 ms
66,552 KB |
testcase_05 | AC | 94 ms
66,460 KB |
testcase_06 | AC | 93 ms
66,980 KB |
testcase_07 | AC | 94 ms
68,804 KB |
testcase_08 | AC | 94 ms
66,384 KB |
testcase_09 | AC | 90 ms
66,568 KB |
testcase_10 | AC | 95 ms
64,440 KB |
testcase_11 | AC | 95 ms
66,796 KB |
testcase_12 | AC | 93 ms
67,144 KB |
testcase_13 | AC | 91 ms
67,000 KB |
testcase_14 | AC | 91 ms
66,788 KB |
testcase_15 | AC | 99 ms
66,692 KB |
testcase_16 | AC | 92 ms
66,392 KB |
testcase_17 | AC | 88 ms
66,352 KB |
testcase_18 | AC | 93 ms
64,932 KB |
testcase_19 | AC | 87 ms
66,732 KB |
testcase_20 | AC | 90 ms
66,680 KB |
testcase_21 | AC | 92 ms
64,816 KB |
testcase_22 | AC | 88 ms
66,552 KB |
testcase_23 | AC | 88 ms
66,476 KB |
testcase_24 | AC | 92 ms
66,896 KB |
testcase_25 | AC | 89 ms
67,072 KB |
testcase_26 | AC | 87 ms
66,992 KB |
testcase_27 | AC | 88 ms
66,876 KB |
testcase_28 | AC | 89 ms
66,184 KB |
testcase_29 | AC | 88 ms
66,768 KB |
testcase_30 | AC | 91 ms
64,908 KB |
testcase_31 | AC | 90 ms
66,948 KB |
testcase_32 | AC | 92 ms
67,284 KB |
testcase_33 | AC | 92 ms
66,892 KB |
testcase_34 | AC | 89 ms
66,436 KB |
testcase_35 | AC | 92 ms
66,836 KB |
ソースコード
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.NoSuchElementException; public class Main { static FastScanner scan = new FastScanner(); static PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) { int res = ask(100); if(res == 0) { System.out.println("! 100"); return; } else if(res < 0) { for(int i=2; i<=100; i++) { res = ask(0); if(res == 0) { System.out.println("! " + (i-1)); return; } } } int l = 100; int r = 1000000000; int m = 0; int count = 1; while(l < r) { m = (l+r)/2; res = ask(m-count); count++; if(res == 0) { System.out.println("! " + m); return; } else if(res > 0) { l = m+1; } else { r = m; } } System.out.println("! " + l); } static int ask(int y) { out.println("? " + y); out.flush(); int res = scan.nextInt(); return res; } static class FastScanner { private final InputStream in = System.in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; private boolean hasNextByte() { if (ptr < buflen) { return true; } else { ptr = 0; try { buflen = in.read(buffer); } catch (IOException e) { e.printStackTrace(); } 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 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 int nextInt() { return (int) nextLong(); } 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(); } } } }