結果
問題 | No.2338 Range AtCoder Query |
ユーザー | tenten |
提出日時 | 2023-06-05 13:26:44 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 1,219 ms / 4,000 ms |
コード長 | 4,554 bytes |
コンパイル時間 | 2,591 ms |
コンパイル使用メモリ | 82,496 KB |
実行使用メモリ | 106,684 KB |
最終ジャッジ日時 | 2023-08-28 09:32:37 |
合計ジャッジ時間 | 32,997 ms |
ジャッジサーバーID (参考情報) |
judge14 / judge15 |
(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 | 45 ms
49,640 KB |
testcase_01 | AC | 46 ms
49,896 KB |
testcase_02 | AC | 46 ms
49,780 KB |
testcase_03 | AC | 45 ms
49,636 KB |
testcase_04 | AC | 44 ms
49,648 KB |
testcase_05 | AC | 44 ms
49,672 KB |
testcase_06 | AC | 99 ms
51,912 KB |
testcase_07 | AC | 101 ms
52,480 KB |
testcase_08 | AC | 103 ms
51,880 KB |
testcase_09 | AC | 104 ms
52,612 KB |
testcase_10 | AC | 94 ms
50,008 KB |
testcase_11 | AC | 958 ms
85,028 KB |
testcase_12 | AC | 985 ms
87,128 KB |
testcase_13 | AC | 993 ms
85,928 KB |
testcase_14 | AC | 892 ms
81,468 KB |
testcase_15 | AC | 1,068 ms
86,196 KB |
testcase_16 | AC | 1,219 ms
105,564 KB |
testcase_17 | AC | 1,197 ms
105,096 KB |
testcase_18 | AC | 1,161 ms
104,768 KB |
testcase_19 | AC | 1,158 ms
105,236 KB |
testcase_20 | AC | 1,197 ms
105,504 KB |
testcase_21 | AC | 1,190 ms
103,124 KB |
testcase_22 | AC | 1,215 ms
104,968 KB |
testcase_23 | AC | 1,176 ms
105,116 KB |
testcase_24 | AC | 1,214 ms
104,996 KB |
testcase_25 | AC | 1,187 ms
104,996 KB |
testcase_26 | AC | 556 ms
85,440 KB |
testcase_27 | AC | 561 ms
85,540 KB |
testcase_28 | AC | 549 ms
87,360 KB |
testcase_29 | AC | 1,142 ms
105,104 KB |
testcase_30 | AC | 1,205 ms
104,784 KB |
testcase_31 | AC | 1,041 ms
104,580 KB |
testcase_32 | AC | 1,061 ms
105,100 KB |
testcase_33 | AC | 1,081 ms
104,700 KB |
testcase_34 | AC | 1,081 ms
106,684 KB |
ソースコード
import java.io.*; import java.util.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); int m = sc.nextInt(); int q = sc.nextInt(); int[] questions = new int[n + 1]; boolean[] isAC = new boolean[n + 1]; for (int i = 1; i <= n; i++) { questions[i] = sc.nextInt() - 1; isAC[i] = sc.next().equals("AC"); } Query[] queries = new Query[q]; for (int i = 0; i < q; i++) { queries[i] = new Query(i, sc.nextInt(), sc.nextInt()); } Arrays.sort(queries); int[] ans1 = new int[q]; int[] ans2 = new int[q]; int[] prev = new int[m]; ArrayList<ArrayDeque<Integer>> wrongs = new ArrayList<>(); for (int i = 0; i < m; i++) { wrongs.add(new ArrayDeque<>()); } BinaryIndexedTree points = new BinaryIndexedTree(n + 1); BinaryIndexedTree penalties = new BinaryIndexedTree(n + 1); int idx = 0; for (int i = 1; i <= n; i++) { if (isAC[i]) { if (prev[questions[i]] != 0) { points.add(prev[questions[i]], -1); penalties.add(prev[questions[i]], -wrongs.get(questions[i]).size()); } prev[questions[i]] = i; points.add(i, 1); while (wrongs.get(questions[i]).size() > 0) { penalties.add(wrongs.get(questions[i]).poll(), 1); } } else { wrongs.get(questions[i]).add(i); } while (idx < q && queries[idx].right <= i) { ans1[queries[idx].idx] = points.getSum(queries[idx].left, i); ans2[queries[idx].idx] = penalties.getSum(queries[idx].left, i); idx++; } } StringBuilder sb = new StringBuilder(); for (int i = 0; i < q; i++) { sb.append(ans1[i]).append(" ").append(ans2[i]).append("\n"); } System.out.print(sb); } static class Query implements Comparable<Query> { int idx; int left; int right; public Query(int idx, int left, int right) { this.idx = idx; this.left = left; this.right = right; } public int compareTo(Query another) { return right - another.right; } } } class BinaryIndexedTree { int size; int[] tree; public BinaryIndexedTree(int size) { this.size = size; tree = new int[size]; } public void add(int idx, int value) { int mask = 1; while (idx < size) { if ((idx & mask) != 0) { tree[idx] += value; idx += mask; } mask <<= 1; } } public int getSum(int from, int to) { return getSum(to) - getSum(from - 1); } public int getSum(int x) { int mask = 1; int ans = 0; while (x > 0) { if ((x & mask) != 0) { ans += tree[x]; x -= mask; } mask <<= 1; } return ans; } } class Utilities { static String arrayToLineString(Object[] arr) { return Arrays.stream(arr).map(x -> x.toString()).collect(Collectors.joining("\n")); } static String arrayToLineString(int[] arr) { return String.join("\n", Arrays.stream(arr).mapToObj(String::valueOf).toArray(String[]::new)); } } class Scanner { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() throws Exception { } public int nextInt() throws Exception { return Integer.parseInt(next()); } public long nextLong() throws Exception { return Long.parseLong(next()); } public double nextDouble() throws Exception { return Double.parseDouble(next()); } public int[] nextIntArray() throws Exception { return Stream.of(br.readLine().split(" ")).mapToInt(Integer::parseInt).toArray(); } public String next() throws Exception { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } return st.nextToken(); } }