結果
問題 | No.2252 Find Zero |
ユーザー | watarimaycry2 |
提出日時 | 2023-03-24 22:15:54 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 328 ms / 2,000 ms |
コード長 | 4,401 bytes |
コンパイル時間 | 4,266 ms |
コンパイル使用メモリ | 86,036 KB |
実行使用メモリ | 72,432 KB |
平均クエリ数 | 78.17 |
最終ジャッジ日時 | 2024-09-18 17:13:08 |
合計ジャッジ時間 | 7,642 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 | 252 ms
71,740 KB |
testcase_01 | AC | 328 ms
72,432 KB |
testcase_02 | AC | 194 ms
71,408 KB |
testcase_03 | AC | 281 ms
71,928 KB |
testcase_04 | AC | 207 ms
71,224 KB |
testcase_05 | AC | 198 ms
71,268 KB |
testcase_06 | AC | 198 ms
71,400 KB |
testcase_07 | AC | 186 ms
70,880 KB |
testcase_08 | AC | 260 ms
72,000 KB |
testcase_09 | AC | 273 ms
72,112 KB |
testcase_10 | AC | 203 ms
71,588 KB |
testcase_11 | AC | 189 ms
71,420 KB |
testcase_12 | AC | 203 ms
71,408 KB |
testcase_13 | AC | 192 ms
71,484 KB |
testcase_14 | AC | 189 ms
71,076 KB |
testcase_15 | AC | 203 ms
71,240 KB |
testcase_16 | AC | 194 ms
71,044 KB |
testcase_17 | AC | 180 ms
71,680 KB |
ソースコード
import java.util.*; import java.io.*; import java.math.*; public class Main{ //見なくていいよ ここから------------------------------------------ static class InputIterator{ ArrayList<String> inputLine = new ArrayList<>(1024); int index = 0; int max; String read; InputIterator(){ try{ BufferedReader br = new BufferedReader(new InputStreamReader(System.in, "UTF-8")); while((read = br.readLine()) != null){ inputLine.addAll(Arrays.asList(read.split(" "))); } }catch(IOException e){} max = inputLine.size(); } boolean hasNext(){return (index < max);} String next(){ if(hasNext()){ return inputLine.get(index++); }else{ throw new IndexOutOfBoundsException("There is no more input"); } } } static HashMap<Integer, String> CONVSTR = new HashMap<>(); static InputIterator ii = null;//new InputIterator();//This class cannot be used in reactive problem. static PrintWriter out = new PrintWriter(System.out); static void flush(){out.flush();} static void myout(Object t){out.println(t);} static void myerr(Object... t){System.err.print("debug:");System.err.println(Arrays.deepToString(t));} static String next(){return ii.next();} static boolean hasNext(){return ii.hasNext();} static int nextInt(){return Integer.parseInt(next());} static long nextLong(){return Long.parseLong(next());} static double nextDouble(){return Double.parseDouble(next());} static ArrayList<String> nextCharArray(){return myconv(next(), 0);} static ArrayList<String> nextStrArray(int size){ ArrayList<String> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(next()); } return ret; } static ArrayList<Integer> nextIntArray(int size){ ArrayList<Integer> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(Integer.parseInt(next())); } return ret; } static ArrayList<Long> nextLongArray(int size){ ArrayList<Long> ret = new ArrayList<>(size); for(int i = 0; i < size; i++){ ret.add(Long.parseLong(next())); } return ret; } @SuppressWarnings("unchecked") static String myconv(Object list, int no){//only join StringBuilder sb = new StringBuilder(""); String joinString = CONVSTR.get(no); if(list instanceof String[]){ return String.join(joinString, (String[])list); }else if(list instanceof long[]){ long[] tmp = (long[])list; if(tmp.length == 0){ return ""; } sb.append(String.valueOf(tmp[0])); for(int i = 1; i < tmp.length; i++){ sb.append(joinString).append(String.valueOf(tmp[i])); } return sb.toString(); }else if(list instanceof int[]){ int[] tmp = (int[])list; if(tmp.length == 0){ return ""; } sb.append(String.valueOf(tmp[0])); for(int i = 1; i < tmp.length; i++){ sb.append(joinString).append(String.valueOf(tmp[i])); } return sb.toString(); }else if(list instanceof ArrayList){ ArrayList tmp = (ArrayList)list; if(tmp.size() == 0){ return ""; } sb.append(tmp.get(0)); for(int i = 1; i < tmp.size(); i++){ sb.append(joinString).append(tmp.get(i)); } return sb.toString(); }else{ throw new ClassCastException("Don't join"); } } static ArrayList<String> myconv(String str, int no){//only split String splitString = CONVSTR.get(no); return new ArrayList<String>(Arrays.asList(str.split(splitString))); } static ArrayList<String> myconv(String str, String no){ return new ArrayList<String>(Arrays.asList(str.split(no))); } public static void main(String[] args){ CONVSTR.put(8, " "); CONVSTR.put(9, "\n"); CONVSTR.put(0, ""); solve();flush(); } //見なくていいよ ここまで------------------------------------------ //このコードをコンパイルするときは、「-encoding UTF-8」を指定すること static void solve(){//ここがメイン関数 Scanner sc = new Scanner(System.in); int N = sc.nextInt(); for(int i = 0; i < N / 2; i++){ int L = i * 2; int R = i * 2 + 1; System.out.println("? " + L + " " + R); System.out.flush(); int res = sc.nextInt(); if(res == L || res == R){ if(res == L){ System.out.println("! " + R); }else{ System.out.println("! " + L); } System.out.flush(); return; } } System.out.println("! " + (N - 1)); System.out.flush(); } //メソッド追加エリア ここから //メソッド追加エリア ここまで }