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 | 233 ms / 2,000 ms |
コード長 | 2,581 bytes |
コンパイル時間 | 1,865 ms |
コンパイル使用メモリ | 78,208 KB |
実行使用メモリ | 58,248 KB |
最終ジャッジ日時 | 2024-07-07 03:13:04 |
合計ジャッジ時間 | 7,389 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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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 | 45 ms
50,356 KB |
testcase_01 | AC | 46 ms
50,144 KB |
testcase_02 | AC | 46 ms
50,224 KB |
testcase_03 | AC | 46 ms
50,180 KB |
testcase_04 | AC | 45 ms
50,000 KB |
testcase_05 | AC | 48 ms
50,412 KB |
testcase_06 | AC | 47 ms
50,148 KB |
testcase_07 | AC | 52 ms
50,488 KB |
testcase_08 | AC | 49 ms
50,424 KB |
testcase_09 | AC | 47 ms
50,424 KB |
testcase_10 | AC | 50 ms
50,004 KB |
testcase_11 | AC | 50 ms
50,088 KB |
testcase_12 | AC | 50 ms
50,148 KB |
testcase_13 | AC | 49 ms
50,364 KB |
testcase_14 | AC | 48 ms
50,616 KB |
testcase_15 | AC | 219 ms
57,792 KB |
testcase_16 | AC | 218 ms
58,156 KB |
testcase_17 | AC | 231 ms
58,064 KB |
testcase_18 | AC | 233 ms
58,248 KB |
testcase_19 | AC | 219 ms
58,000 KB |
testcase_20 | AC | 218 ms
57,876 KB |
testcase_21 | AC | 220 ms
58,016 KB |
testcase_22 | AC | 219 ms
57,836 KB |
testcase_23 | AC | 220 ms
57,828 KB |
testcase_24 | AC | 223 ms
57,992 KB |
testcase_25 | AC | 221 ms
57,724 KB |
testcase_26 | AC | 231 ms
58,076 KB |
testcase_27 | AC | 222 ms
57,860 KB |
testcase_28 | AC | 213 ms
57,824 KB |
testcase_29 | AC | 226 ms
57,988 KB |
testcase_30 | AC | 48 ms
50,404 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; } } }