結果
| 問題 |
No.2577 Simple Permutation Guess
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2023-12-11 11:53:19 |
| 言語 | Java (openjdk 23) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 2,720 bytes |
| コンパイル時間 | 2,754 ms |
| コンパイル使用メモリ | 85,616 KB |
| 実行使用メモリ | 74,856 KB |
| 平均クエリ数 | 251.95 |
| 最終ジャッジ日時 | 2024-09-27 04:27:02 |
| 合計ジャッジ時間 | 33,220 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 110 RE * 1 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
ArrayList<Integer> remain = new ArrayList<>();
for (int i = 1; i <= n; i++) {
remain.add(i);
}
int[] ans = new int[n];
for (int i = 0; i < n; i++) {
int left = 0;
int right = remain.size();
while (right - left > 1) {
int m = (left + right) / 2;
ans[i] = remain.get(m);
int idx = 0;
for (int j = i + 1; j < n; j++) {
if (idx == m) {
idx++;
}
ans[j] = remain.get(idx);
idx++;
}
System.out.println("? " + String.join(" ", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
System.out.flush();
int ret = sc.nextInt();
if (ret == 0) {
right = m;
} else if (ret == 1) {
left = m;
} else {
return;
}
}
ans[i] = remain.get(left);
remain.remove(left);
}
System.out.println("! " + String.join(" ", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new)));
}
}
class Utilities {
static String arrayToLineString(Object[] arr) {
return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n"));
}
static String arrayToLineString(int[] arr) {
return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new));
}
}
class Scanner {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() throws Exception {
}
public int nextInt() throws Exception {
return Integer.parseInt(next());
}
public long nextLong() throws Exception {
return Long.parseLong(next());
}
public double nextDouble() throws Exception {
return Double.parseDouble(next());
}
public int[] nextIntArray() throws Exception {
return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
}
public String next() throws Exception {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
return st.nextToken();
}
}
tenten