結果
| 問題 |
No.2768 Password Crack
|
| コンテスト | |
| ユーザー |
tenten
|
| 提出日時 | 2024-06-04 13:56:38 |
| 言語 | Java (openjdk 23) |
| 結果 |
AC
|
| 実行時間 | 280 ms / 2,000 ms |
| コード長 | 3,026 bytes |
| コンパイル時間 | 2,736 ms |
| コンパイル使用メモリ | 80,800 KB |
| 実行使用メモリ | 56,944 KB |
| 平均クエリ数 | 583.57 |
| 最終ジャッジ日時 | 2024-12-23 10:52:37 |
| 合計ジャッジ時間 | 11,077 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 29 |
ソースコード
import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;
public class Main {
public static void main(String[] args) throws Exception {
Scanner sc = new Scanner();
int n = sc.nextInt();
int[] counts = new int[26];
char[] test = new char[n];
for (int i = 0; i < 26; i++) {
Arrays.fill(test, (char)('a' + i));
System.out.print("? ");
System.out.println(test);
System.out.flush();
counts[i] = sc.nextInt();
}
int acount = counts[0];
char[] ans = new char[n];
for (int i = 0; i < n; i++) {
Arrays.fill(test, 'a');
test[i] = 'b';
System.out.print("? ");
System.out.println(test);
System.out.flush();
int x = sc.nextInt();
if (x == acount - 1) {
ans[i] = 'a';
counts[0]--;
continue;
} else if (x == acount + 1) {
counts[1]--;
ans[i] = 'b';
continue;
}
for (int j = 2; j < 26; j++) {
if (counts[j] == 0) {
continue;
}
test[i] = (char)('a' + j);
System.out.print("? ");
System.out.println(test);
System.out.flush();
if (sc.nextInt() == acount + 1) {
ans[i] = (char)('a' + j);
counts[j]--;
break;
}
}
}
System.out.print("! ");
System.out.println(ans);
}
static String getString(long x) {
if (x == 1) {
return "";
}
if ((x - 1) % 2 == 0) {
String current = getString((x - 1) / 2);
if (current != null) {
return current + "A";
}
}
if ((x - 1) % 3 == 0) {
String current = getString((x - 1) / 3);
if (current != null) {
return current + "B";
}
}
return null;
}
}
class Scanner {
BufferedReader br;
StringTokenizer st = new StringTokenizer("");
StringBuilder sb = new StringBuilder();
public Scanner() {
try {
br = new BufferedReader(new InputStreamReader(System.in));
} catch (Exception e) {
}
}
public int nextInt() {
return Integer.parseInt(next());
}
public long nextLong() {
return Long.parseLong(next());
}
public double nextDouble() {
return Double.parseDouble(next());
}
public String next() {
try {
while (!st.hasMoreTokens()) {
st = new StringTokenizer(br.readLine());
}
} catch (Exception e) {
e.printStackTrace();
} finally {
return st.nextToken();
}
}
}
tenten