結果
問題 | No.246 質問と回答 |
ユーザー | Tsukasa_Type |
提出日時 | 2018-03-12 21:25:02 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 106 ms / 2,000 ms |
コード長 | 2,172 bytes |
コンパイル時間 | 3,895 ms |
コンパイル使用メモリ | 83,072 KB |
実行使用メモリ | 66,804 KB |
平均クエリ数 | 30.87 |
最終ジャッジ日時 | 2023-09-23 20:26:41 |
合計ジャッジ時間 | 6,714 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge14 |
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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 | 106 ms
66,288 KB |
testcase_01 | AC | 100 ms
66,404 KB |
testcase_02 | AC | 99 ms
66,592 KB |
testcase_03 | AC | 99 ms
66,024 KB |
testcase_04 | AC | 99 ms
66,320 KB |
testcase_05 | AC | 98 ms
65,804 KB |
testcase_06 | AC | 100 ms
66,800 KB |
testcase_07 | AC | 101 ms
66,532 KB |
testcase_08 | AC | 100 ms
66,544 KB |
testcase_09 | AC | 100 ms
66,480 KB |
testcase_10 | AC | 99 ms
66,072 KB |
testcase_11 | AC | 103 ms
66,728 KB |
testcase_12 | AC | 104 ms
66,064 KB |
testcase_13 | AC | 103 ms
66,260 KB |
testcase_14 | AC | 100 ms
66,380 KB |
testcase_15 | AC | 99 ms
65,880 KB |
testcase_16 | AC | 100 ms
66,724 KB |
testcase_17 | AC | 100 ms
66,192 KB |
testcase_18 | AC | 99 ms
66,380 KB |
testcase_19 | AC | 100 ms
66,804 KB |
testcase_20 | AC | 102 ms
66,144 KB |
testcase_21 | AC | 99 ms
66,100 KB |
testcase_22 | AC | 101 ms
66,332 KB |
testcase_23 | AC | 102 ms
66,256 KB |
testcase_24 | AC | 101 ms
66,456 KB |
testcase_25 | AC | 100 ms
66,528 KB |
testcase_26 | AC | 100 ms
65,928 KB |
testcase_27 | AC | 100 ms
66,264 KB |
testcase_28 | AC | 103 ms
66,472 KB |
testcase_29 | AC | 100 ms
66,044 KB |
ソースコード
import java.io.*; import java.util.*; import static java.lang.System.*; public class Main { static FastScanner sc = new FastScanner(System.in); public static void main(String[] args) { int L = 0; int R = 1000000000; while (L < R) { int M = (L+R)/2; if (M==L) {out.println("! "+L); break;} out.println("? "+M); int n = sc.nextInt(); if (n == 1) { L = M; } else { R = M; } } } } class FastScanner implements Closeable { private final InputStream in; private final byte[] buffer = new byte[1024]; private int ptr = 0; private int buflen = 0; public FastScanner(InputStream in) {this.in = in;} 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;} public boolean hasNext() { while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++; 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() { long nl = nextLong(); if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE) throw new NumberFormatException(); return (int) nl; } public double nextDouble() { return Double.parseDouble(next());} public void close() { try {in.close();} catch (IOException e) {} } }