結果
問題 | No.482 あなたの名は |
ユーザー | zimpha |
提出日時 | 2017-03-30 21:05:33 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 248 ms / 2,000 ms |
コード長 | 2,581 bytes |
コンパイル時間 | 2,144 ms |
コンパイル使用メモリ | 74,708 KB |
実行使用メモリ | 58,496 KB |
最終ジャッジ日時 | 2023-09-21 08:54:46 |
合計ジャッジ時間 | 7,935 ms |
ジャッジサーバーID (参考情報) |
judge11 / 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 | 43 ms
49,728 KB |
testcase_01 | AC | 43 ms
49,628 KB |
testcase_02 | AC | 43 ms
49,488 KB |
testcase_03 | AC | 44 ms
49,880 KB |
testcase_04 | AC | 44 ms
49,536 KB |
testcase_05 | AC | 42 ms
49,624 KB |
testcase_06 | AC | 44 ms
49,636 KB |
testcase_07 | AC | 50 ms
49,732 KB |
testcase_08 | AC | 48 ms
49,516 KB |
testcase_09 | AC | 44 ms
49,564 KB |
testcase_10 | AC | 48 ms
49,528 KB |
testcase_11 | AC | 48 ms
49,952 KB |
testcase_12 | AC | 51 ms
49,636 KB |
testcase_13 | AC | 49 ms
49,508 KB |
testcase_14 | AC | 48 ms
49,492 KB |
testcase_15 | AC | 242 ms
57,992 KB |
testcase_16 | AC | 246 ms
57,692 KB |
testcase_17 | AC | 241 ms
57,796 KB |
testcase_18 | AC | 235 ms
57,824 KB |
testcase_19 | AC | 248 ms
57,780 KB |
testcase_20 | AC | 231 ms
57,948 KB |
testcase_21 | AC | 241 ms
58,068 KB |
testcase_22 | AC | 242 ms
57,716 KB |
testcase_23 | AC | 242 ms
57,480 KB |
testcase_24 | AC | 237 ms
57,640 KB |
testcase_25 | AC | 235 ms
57,788 KB |
testcase_26 | AC | 238 ms
57,960 KB |
testcase_27 | AC | 237 ms
58,096 KB |
testcase_28 | AC | 242 ms
58,496 KB |
testcase_29 | AC | 243 ms
57,768 KB |
testcase_30 | AC | 44 ms
49,592 KB |
ソースコード
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Chiaki.Hoshinomori */ public class Main { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); Task482 solver = new Task482(); solver.solve(1, in, out); out.close(); } static class Task482 { public void solve(int testNumber, InputReader in, PrintWriter out) { int n = in.nextInt(); long K = in.nextLong(); int[] P = in.nextIntArray(n); for (int i = 0; i < n; i++) { P[i] -= 1; } boolean[] mark = new boolean[n]; int ret = 0; for (int i = 0; i < n; i++) { if (mark[i]) continue; for (int j = i; !mark[j]; j = P[j]) { mark[j] = true; ++ret; } --ret; } if (ret <= K && (ret % 2) == (K % 2)) { out.println("YES"); } else { out.println("NO"); } } } static class InputReader { public BufferedReader reader; public StringTokenizer tokenizer; public InputReader(InputStream stream) { reader = new BufferedReader(new InputStreamReader(stream), 32768); tokenizer = null; } public String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } public int[] nextIntArray(int n) { int[] r = new int[n]; for (int i = 0; i < n; i++) { r[i] = nextInt(); } return r; } } }