結果
問題 | No.246 質問と回答 |
ユーザー |
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提出日時 | 2017-01-15 02:05:26 |
言語 | Java (openjdk 23) |
結果 |
AC
|
実行時間 | 138 ms / 2,000 ms |
コード長 | 2,389 bytes |
コンパイル時間 | 2,618 ms |
コンパイル使用メモリ | 79,228 KB |
実行使用メモリ | 68,028 KB |
平均クエリ数 | 30.90 |
最終ジャッジ日時 | 2024-07-16 20:09:52 |
合計ジャッジ時間 | 8,051 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 30 |
ソースコード
import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintWriter;import java.util.*;public class Main {void solve() throws IOException {int high = (int) 1e9 + 1;int low = 1;while (high - low > 1) {int mid = (high + low) / 2;out.println("? " + mid);out.flush();int n = ni();if (n == 0) {high = mid;} else {low = mid;}}out.println("! " + low);}String ns() throws IOException {while (!tok.hasMoreTokens()) {tok = new StringTokenizer(in.readLine(), " ");}return tok.nextToken();}int ni() throws IOException {return Integer.parseInt(ns());}long nl() throws IOException {return Long.parseLong(ns());}double nd() throws IOException {return Double.parseDouble(ns());}String[] nsa(int n) throws IOException {String[] res = new String[n];for (int i = 0; i < n; i++) {res[i] = ns();}return res;}int[] nia(int n) throws IOException {int[] res = new int[n];for (int i = 0; i < n; i++) {res[i] = ni();}return res;}long[] nla(int n) throws IOException {long[] res = new long[n];for (int i = 0; i < n; i++) {res[i] = nl();}return res;}class INA {int[][] a;INA(int n, int m) throws IOException {this(n, m, -1);}INA(int n, int m, int t) throws IOException {a = new int[m][n];for (int i = 0; i < n; i++) {for (int j = 0; j < m; j++) {a[j][i] = ni() + t;}}}int[] get(int i) {return a[i - 1];}}static BufferedReader in;static PrintWriter out;static StringTokenizer tok;public static void main(String[] args) throws IOException {in = new BufferedReader(new InputStreamReader(System.in));out = new PrintWriter(System.out);tok = new StringTokenizer("");Main main = new Main();main.solve();out.close();}}