結果
問題 | No.1115 二つの数列 / Two Sequences |
ユーザー | hiromi_ayase |
提出日時 | 2020-07-18 02:45:56 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 423 ms / 2,000 ms |
コード長 | 3,325 bytes |
コンパイル時間 | 2,823 ms |
コンパイル使用メモリ | 83,540 KB |
実行使用メモリ | 58,784 KB |
最終ジャッジ日時 | 2024-05-07 22:41:03 |
合計ジャッジ時間 | 12,022 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
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 | 156 ms
43,940 KB |
testcase_01 | AC | 71 ms
38,056 KB |
testcase_02 | AC | 73 ms
38,332 KB |
testcase_03 | AC | 361 ms
55,084 KB |
testcase_04 | AC | 421 ms
58,784 KB |
testcase_05 | AC | 386 ms
55,040 KB |
testcase_06 | AC | 373 ms
52,052 KB |
testcase_07 | AC | 404 ms
56,900 KB |
testcase_08 | AC | 135 ms
42,232 KB |
testcase_09 | AC | 283 ms
48,828 KB |
testcase_10 | AC | 377 ms
55,780 KB |
testcase_11 | AC | 69 ms
38,608 KB |
testcase_12 | AC | 408 ms
56,696 KB |
testcase_13 | AC | 423 ms
57,348 KB |
testcase_14 | AC | 417 ms
56,800 KB |
testcase_15 | AC | 69 ms
38,328 KB |
testcase_16 | AC | 70 ms
38,488 KB |
testcase_17 | AC | 69 ms
38,488 KB |
testcase_18 | AC | 74 ms
38,056 KB |
testcase_19 | AC | 76 ms
38,320 KB |
testcase_20 | AC | 70 ms
38,452 KB |
testcase_21 | AC | 70 ms
38,376 KB |
testcase_22 | AC | 71 ms
38,416 KB |
testcase_23 | AC | 151 ms
44,084 KB |
testcase_24 | AC | 268 ms
49,216 KB |
testcase_25 | AC | 348 ms
53,248 KB |
testcase_26 | AC | 184 ms
46,144 KB |
testcase_27 | AC | 287 ms
47,900 KB |
testcase_28 | AC | 307 ms
48,856 KB |
testcase_29 | AC | 336 ms
51,868 KB |
testcase_30 | AC | 384 ms
55,980 KB |
testcase_31 | AC | 206 ms
47,440 KB |
testcase_32 | AC | 173 ms
47,076 KB |
testcase_33 | AC | 356 ms
54,656 KB |
testcase_34 | AC | 71 ms
38,144 KB |
testcase_35 | AC | 70 ms
38,056 KB |
testcase_36 | AC | 70 ms
38,200 KB |
testcase_37 | AC | 71 ms
38,180 KB |
testcase_38 | AC | 71 ms
38,048 KB |
testcase_39 | AC | 70 ms
38,544 KB |
ソースコード
import java.util.Arrays; import java.util.HashMap; import java.util.Map; public class Main { private static void solve() { int n = ni(); int[] a = na(n); int[] b = na(n); Map<Integer, Integer> map = new HashMap<>(); for (int i = 0; i < n; i++) { map.put(b[i], i); } for (int i = 0; i < n; i++) { a[i] = map.get(a[i]); } System.out.println(bubbleCount(a, 0, n)); } public static long bubbleCount(int[] a, int l, int r) { if (r - l <= 1) return 0; int m = (l + r) / 2; long ret = bubbleCount(a, l, m) + bubbleCount(a, m, r); int[] temp = Arrays.copyOfRange(a, l, r); for (int p0 = 0, p1 = m - l, p = l; p < r;) { if (p0 == m - l) { a[p++] = temp[p1++]; } else if (p1 == r - l) { a[p++] = temp[p0++]; } else if (temp[p0] <= temp[p1]) { a[p++] = temp[p0++]; } else { a[p++] = temp[p1++]; ret += m - l - p0; } } return ret; } public static void main(String[] args) { new Thread(null, new Runnable() { @Override public void run() { long start = System.currentTimeMillis(); String debug = args.length > 0 ? args[0] : null; if (debug != null) { try { is = java.nio.file.Files.newInputStream(java.nio.file.Paths.get(debug)); } catch (Exception e) { throw new RuntimeException(e); } } reader = new java.io.BufferedReader(new java.io.InputStreamReader(is), 32768); solve(); out.flush(); tr((System.currentTimeMillis() - start) + "ms"); } }, "", 64000000).start(); } private static java.io.InputStream is = System.in; private static java.io.PrintWriter out = new java.io.PrintWriter(System.out); private static java.util.StringTokenizer tokenizer = null; private static java.io.BufferedReader reader; public static String next() { while (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new java.util.StringTokenizer(reader.readLine()); } catch (Exception e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } private static double nd() { return Double.parseDouble(next()); } private static long nl() { return Long.parseLong(next()); } private static int[] na(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = ni(); return a; } private static char[] ns() { return next().toCharArray(); } private static long[] nal(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nl(); return a; } private static int[][] ntable(int n, int m) { int[][] table = new int[n][m]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[i][j] = ni(); } } return table; } private static int[][] nlist(int n, int m) { int[][] table = new int[m][n]; for (int i = 0; i < n; i++) { for (int j = 0; j < m; j++) { table[j][i] = ni(); } } return table; } private static int ni() { return Integer.parseInt(next()); } private static void tr(Object... o) { if (is != System.in) System.out.println(java.util.Arrays.deepToString(o)); } }