結果
問題 | No.2710 How many more? |
ユーザー | tenten |
提出日時 | 2024-04-01 17:27:27 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 839 ms / 2,000 ms |
コード長 | 2,069 bytes |
コンパイル時間 | 2,464 ms |
コンパイル使用メモリ | 80,000 KB |
実行使用メモリ | 74,000 KB |
最終ジャッジ日時 | 2024-04-01 17:27:42 |
合計ジャッジ時間 | 14,465 ms |
ジャッジサーバーID (参考情報) |
judge12 / judge15 |
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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 | 53 ms
53,984 KB |
testcase_01 | AC | 52 ms
53,988 KB |
testcase_02 | AC | 624 ms
67,852 KB |
testcase_03 | AC | 623 ms
68,740 KB |
testcase_04 | AC | 650 ms
68,472 KB |
testcase_05 | AC | 480 ms
65,024 KB |
testcase_06 | AC | 703 ms
67,940 KB |
testcase_07 | AC | 305 ms
59,780 KB |
testcase_08 | AC | 383 ms
62,696 KB |
testcase_09 | AC | 749 ms
69,412 KB |
testcase_10 | AC | 485 ms
65,888 KB |
testcase_11 | AC | 543 ms
65,168 KB |
testcase_12 | AC | 784 ms
68,764 KB |
testcase_13 | AC | 816 ms
73,020 KB |
testcase_14 | AC | 839 ms
73,184 KB |
testcase_15 | AC | 828 ms
73,044 KB |
testcase_16 | AC | 825 ms
73,140 KB |
testcase_17 | AC | 804 ms
74,000 KB |
testcase_18 | AC | 53 ms
53,992 KB |
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 q = sc.nextInt(); int[] points = new int[n]; TreeMap<Integer, Integer> counts = new TreeMap<>(); for (int i = 0; i < n; i++) { points[i] = sc.nextInt(); counts.put(points[i], counts.getOrDefault(points[i], 0) + 1); } int current = 0; for (int x : counts.keySet()) { current += counts.get(x); counts.put(x, current); } counts.put(0, 0); int[] lefts = new int[n]; int[] rights = new int[n]; for (int i = 0; i < n; i++) { lefts[i] = counts.lowerEntry(points[i]).getValue(); rights[i] = counts.get(points[i]); } StringBuilder sb = new StringBuilder(); while (q-- > 0) { int base = sc.nextInt() - 1; int target = sc.nextInt() - 1; sb.append(Math.max(0, lefts[base] - rights[target])).append("\n"); } System.out.print(sb); } } 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(); } } }