結果
問題 | No.2065 Sum of Min |
ユーザー | tenten |
提出日時 | 2023-07-25 10:01:36 |
言語 | Java21 (openjdk 21) |
結果 |
AC
|
実行時間 | 800 ms / 2,000 ms |
コード長 | 3,750 bytes |
コンパイル時間 | 2,919 ms |
コンパイル使用メモリ | 84,840 KB |
実行使用メモリ | 64,864 KB |
最終ジャッジ日時 | 2024-10-02 04:30:16 |
合計ジャッジ時間 | 19,899 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 62 ms
37,660 KB |
testcase_01 | AC | 65 ms
37,876 KB |
testcase_02 | AC | 64 ms
37,412 KB |
testcase_03 | AC | 67 ms
38,040 KB |
testcase_04 | AC | 706 ms
63,756 KB |
testcase_05 | AC | 741 ms
63,984 KB |
testcase_06 | AC | 691 ms
57,800 KB |
testcase_07 | AC | 645 ms
63,476 KB |
testcase_08 | AC | 720 ms
63,752 KB |
testcase_09 | AC | 800 ms
60,260 KB |
testcase_10 | AC | 741 ms
64,604 KB |
testcase_11 | AC | 706 ms
63,228 KB |
testcase_12 | AC | 732 ms
63,088 KB |
testcase_13 | AC | 692 ms
63,648 KB |
testcase_14 | AC | 773 ms
64,016 KB |
testcase_15 | AC | 741 ms
64,508 KB |
testcase_16 | AC | 742 ms
64,864 KB |
testcase_17 | AC | 733 ms
64,244 KB |
testcase_18 | AC | 744 ms
64,168 KB |
testcase_19 | AC | 755 ms
64,548 KB |
testcase_20 | AC | 747 ms
64,636 KB |
testcase_21 | AC | 755 ms
64,412 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 q = sc.nextInt(); BinaryIndexedTree counts = new BinaryIndexedTree(n + 1); PriorityQueue<Query> queue = new PriorityQueue<>(); for (int i = 0; i < n; i++) { queue.add(new Query(i + 1, sc.nextInt())); counts.add(i + 1, 1); } for (int i = 0; i < q; i++) { queue.add(new Query(i, sc.nextInt(), sc.nextInt(), sc.nextInt())); } BinaryIndexedTree sums = new BinaryIndexedTree(n + 1); long[] ans = new long[q]; while (queue.size() > 0) { Query x = queue.poll(); if (x.left == 0) { counts.add(x.idx, -1); sums.add(x.idx, x.value); } else { ans[x.idx] = sums.getSum(x.left, x.right) + counts.getSum(x.left, x.right) * x.value; } } System.out.println(String.join("\n", Arrays.stream(ans).mapToObj(String::valueOf).toArray(String[]::new))); } static class Query implements Comparable<Query> { int idx; int left; int right; int value; public Query(int idx, int left, int right, int value) { this.idx = idx; this.left = left; this.right = right; this.value = value; } public Query(int idx, int value) { this(idx, 0, 0, value); } public int compareTo(Query another) { return value - another.value; } } } class BinaryIndexedTree { int size; long[] tree; public BinaryIndexedTree(int size) { this.size = size; tree = new long[size]; } public void add(int idx, long value) { int mask = 1; while (idx < size) { if ((idx & mask) != 0) { tree[idx] += value; idx += mask; } mask <<= 1; } } public long getSum(int from, int to) { return getSum(to) - getSum(from - 1); } public long getSum(int x) { int mask = 1; long 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(); } }