oj.uz

답안 #699862

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
699862 2023-02-18T07:26:27 Z bdl Sushi (JOI16_sushi) C++17
100 / 100
 5935 ms 83252 KB 
/*
> Statement

You are given a circular array A of length N. You are given Q queries, each giving (l, r, a). You are to run the following code:

for (int i = l; i <= r; i++)
  if (a < A[i])
    swap(a, A[i]);

For each query, output the final value of a.

> Scoring

05: 1 <= N, Q <= 2e3
15: For all queries, l = r = 1
80: 1 <= N <= 4e5, 1 <= Q <= 2.5e4, 1 <= A_i <= 1e9
*/

#include <iostream>
#include <queue>
using namespace std;

const int N = 4e5, B = 633;

struct T {
  int *a, n;
  priority_queue<int, vector<int>, greater<int>> u;
  priority_queue<int> v;

  void build(int *a_, int n_) {
    a = a_, n = n_;
    pull();
  }
  void pull() {
    while (!v.empty())
      v.pop();
    for (int i = 0; i < n; i++)
      v.push(a[i]);
  }
  int force(int l, int r, int x) {
    for (int i = l; i <= r; i++)
      if (x < a[i])
        swap(x, a[i]);
    return x;
  }
  int put(int x) {
    int t = v.top();
    if (x < t) {
      v.pop();
      v.push(x);
      u.push(x);
      x = t;
    }
    return x;
  }
  void push() {
    if (u.empty())
      return;
    int t = u.top();
    for (int i = 0; i < n; i++)
      if (t < a[i]) {
        u.pop(), u.push(a[i]);
        a[i] = t, t = u.top();
      }
    while (!u.empty())
      u.pop();
  }
} b[(N - 1) / B + 1];

int update(int l, int r, int x) {
  if (l / B == r / B) {
    b[l / B].push();
    x = b[l / B].force(l - l / B * B, r - l / B * B, x);
    b[l / B].pull();
  } else {
    b[l / B].push();
    x = b[l / B].force(l - l / B * B, b[l / B].n - 1, x);
    b[l / B].pull();
    for (int i = l / B + 1; i < r / B; i++)
      x = b[i].put(x);
    b[r / B].push();
    x = b[r / B].force(0, r - r / B * B, x);
    b[r / B].pull();
  }
  return x;
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  int n, q;
  cin >> n >> q;
  static int a[N];
  for (int i = 0; i < n; i++)
    cin >> a[i];
  for (int i = 0; i <= (n - 1) / B; i++)
    b[i].build(a + B * i, min(n, B * (i + 1)) - B * i);
  while (q--) {
    int l, r, x;
    cin >> l >> r >> x, l--, r--;
    if (l <= r)
      x = update(l, r, x);
    else {
      swap(l, r);
      x = update(r, n - 1, x);
      x = update(0, l, x);
    }
    cout << x << '\n';
  }
  return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 200 ms 444 KB Output is correct
2 Correct 173 ms 444 KB Output is correct
3 Correct 179 ms 436 KB Output is correct
4 Correct 174 ms 444 KB Output is correct
5 Correct 189 ms 428 KB Output is correct
6 Correct 175 ms 424 KB Output is correct
7 Correct 67 ms 500 KB Output is correct
8 Correct 67 ms 340 KB Output is correct
9 Correct 180 ms 464 KB Output is correct
10 Correct 185 ms 444 KB Output is correct
11 Correct 185 ms 532 KB Output is correct
12 Correct 179 ms 456 KB Output is correct
13 Correct 191 ms 452 KB Output is correct
14 Correct 232 ms 444 KB Output is correct
15 Correct 229 ms 452 KB Output is correct
16 Correct 85 ms 460 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 376 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3589 ms 82664 KB Output is correct
2 Correct 3732 ms 81348 KB Output is correct
3 Correct 747 ms 5652 KB Output is correct
4 Correct 3520 ms 82432 KB Output is correct
5 Correct 3248 ms 81696 KB Output is correct
6 Correct 4070 ms 81692 KB Output is correct
7 Correct 3915 ms 81668 KB Output is correct
8 Correct 3900 ms 81652 KB Output is correct
9 Correct 619 ms 5608 KB Output is correct
10 Correct 2885 ms 76264 KB Output is correct
11 Correct 602 ms 5552 KB Output is correct
12 Correct 2965 ms 77320 KB Output is correct
13 Correct 3479 ms 83252 KB Output is correct
14 Correct 3555 ms 81364 KB Output is correct
15 Correct 688 ms 5728 KB Output is correct
16 Correct 3439 ms 82744 KB Output is correct
17 Correct 2954 ms 81572 KB Output is correct
18 Correct 3770 ms 81640 KB Output is correct
19 Correct 3753 ms 81600 KB Output is correct
20 Correct 3709 ms 81696 KB Output is correct

Subtask #3
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 200 ms 444 KB Output is correct
2 Correct 173 ms 444 KB Output is correct
3 Correct 179 ms 436 KB Output is correct
4 Correct 174 ms 444 KB Output is correct
5 Correct 189 ms 428 KB Output is correct
6 Correct 175 ms 424 KB Output is correct
7 Correct 67 ms 500 KB Output is correct
8 Correct 67 ms 340 KB Output is correct
9 Correct 180 ms 464 KB Output is correct
10 Correct 185 ms 444 KB Output is correct
11 Correct 185 ms 532 KB Output is correct
12 Correct 179 ms 456 KB Output is correct
13 Correct 191 ms 452 KB Output is correct
14 Correct 232 ms 444 KB Output is correct
15 Correct 229 ms 452 KB Output is correct
16 Correct 85 ms 460 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 376 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 3589 ms 82664 KB Output is correct
24 Correct 3732 ms 81348 KB Output is correct
25 Correct 747 ms 5652 KB Output is correct
26 Correct 3520 ms 82432 KB Output is correct
27 Correct 3248 ms 81696 KB Output is correct
28 Correct 4070 ms 81692 KB Output is correct
29 Correct 3915 ms 81668 KB Output is correct
30 Correct 3900 ms 81652 KB Output is correct
31 Correct 619 ms 5608 KB Output is correct
32 Correct 2885 ms 76264 KB Output is correct
33 Correct 602 ms 5552 KB Output is correct
34 Correct 2965 ms 77320 KB Output is correct
35 Correct 3479 ms 83252 KB Output is correct
36 Correct 3555 ms 81364 KB Output is correct
37 Correct 688 ms 5728 KB Output is correct
38 Correct 3439 ms 82744 KB Output is correct
39 Correct 2954 ms 81572 KB Output is correct
40 Correct 3770 ms 81640 KB Output is correct
41 Correct 3753 ms 81600 KB Output is correct
42 Correct 3709 ms 81696 KB Output is correct
43 Correct 3330 ms 9636 KB Output is correct
44 Correct 3368 ms 9864 KB Output is correct
45 Correct 1482 ms 5768 KB Output is correct
46 Correct 3309 ms 9832 KB Output is correct
47 Correct 3314 ms 9716 KB Output is correct
48 Correct 4722 ms 11644 KB Output is correct
49 Correct 5440 ms 11404 KB Output is correct
50 Correct 5623 ms 11380 KB Output is correct
51 Correct 5334 ms 11340 KB Output is correct
52 Correct 4344 ms 10488 KB Output is correct
53 Correct 4149 ms 10444 KB Output is correct
54 Correct 5445 ms 13892 KB Output is correct
55 Correct 5889 ms 13872 KB Output is correct
56 Correct 5826 ms 14128 KB Output is correct
57 Correct 5935 ms 13944 KB Output is correct
58 Correct 4067 ms 14028 KB Output is correct
59 Correct 4075 ms 14332 KB Output is correct
60 Correct 3676 ms 81664 KB Output is correct
61 Correct 4517 ms 81728 KB Output is correct
62 Correct 4392 ms 81728 KB Output is correct
63 Correct 3978 ms 81676 KB Output is correct
64 Correct 1123 ms 5732 KB Output is correct
65 Correct 2486 ms 43096 KB Output is correct
66 Correct 2477 ms 43528 KB Output is correct
67 Correct 4672 ms 48848 KB Output is correct
68 Correct 5375 ms 48848 KB Output is correct
69 Correct 5455 ms 48828 KB Output is correct
70 Correct 5266 ms 48840 KB Output is correct