oj.uz

Submission #526378

# Submission time Handle Problem Language Result Execution time Memory
526378 2022-02-14T14:04:42 Z Alex_tz307 Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 2096 ms 38372 KB 
#include <bits/stdc++.h>
#include "bubblesort2.h"
#define INF 0x3f3f3f3f

using namespace std;

struct ST {
  int n;
  vector<int> t, lazy;

  ST(int N) : n(N) {
    int dim = 1;
    while (dim < n) {
      dim *= 2;
    }
    dim *= 2;
    t.resize(dim, -INF);
    lazy.resize(dim);
  }

  void updateNode(int x, int v) {
    t[x] += v;
    lazy[x] += v;
  }

  void push(int x) {
    if (lazy[x] == 0) {
      return;
    }
    for (int i = 0; i < 2; ++i) {
      updateNode(x * 2 + i, lazy[x]);
    }
    lazy[x] = 0;
  }

  void update(int x, int lx, int rx, int st, int dr, int v) {
    if (st <= lx && rx <= dr) {
      updateNode(x, v);
      return;
    }
    push(x);
    int mid = (lx + rx) / 2;
    if (st <= mid) {
      update(x * 2, lx, mid, st, dr, v);
    }
    if (mid < dr) {
      update(x * 2 + 1, mid + 1, rx, st, dr, v);
    }
    t[x] = max(t[x * 2], t[x * 2 + 1]);
  }

  void update(int st, int dr, int v) {
    if (dr < st) {
      return;
    }
    update(1, 0, n - 1, st, dr, v);
  }

  int getMax() {
    return t[1];
  }
};

vector<int> countScans(vector<int> a, vector<int> x, vector<int> v) {
  int n = a.size(), q = x.size();
  vector<pair<int, int>> pairs(n + q);
  for (int i = 0; i < n; ++i) {
    pairs[i] = {a[i], i};
  }
  for (int i = 0; i < q; ++i) {
    pairs[n + i] = {v[i], x[i]};
  }
  sort(pairs.begin(), pairs.end());
  pairs.erase(unique(pairs.begin(), pairs.end()), pairs.end());
  int N = pairs.size();
  ST t(N);
  auto update = [&](const int &index, const int &pos, const int &sgn) -> void {
    t.update(index, index, sgn * (INF + pos));
    t.update(index + 1, N - 1, -sgn);
  };
  auto getIndex = [&](const pair<int, int> &p) -> int {
    return distance(pairs.begin(), lower_bound(pairs.begin(), pairs.end(), p));
  };
  for (int i = 0; i < n; ++i) {
    update(getIndex({a[i], i}), i, 1);
  }
  vector<int> sol(q);
  for (int i = 0; i < q; ++i) {
    update(getIndex({a[x[i]], x[i]}), x[i], -1);
    a[x[i]] = v[i];
    update(getIndex({a[x[i]], x[i]}), x[i], 1);
    sol[i] = t.getMax();
  }
  return sol;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 4 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 4 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 3 ms 332 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 4 ms 460 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 4 ms 440 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 332 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 4 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 4 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 3 ms 332 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 4 ms 460 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 4 ms 440 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 332 KB Output is correct
19 Correct 14 ms 844 KB Output is correct
20 Correct 15 ms 880 KB Output is correct
21 Correct 16 ms 844 KB Output is correct
22 Correct 15 ms 844 KB Output is correct
23 Correct 15 ms 844 KB Output is correct
24 Correct 15 ms 844 KB Output is correct
25 Correct 14 ms 844 KB Output is correct
26 Correct 18 ms 844 KB Output is correct
27 Correct 18 ms 844 KB Output is correct
28 Correct 15 ms 844 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 1348 KB Output is correct
2 Correct 65 ms 2532 KB Output is correct
3 Correct 114 ms 4416 KB Output is correct
4 Correct 122 ms 4564 KB Output is correct
5 Correct 114 ms 4432 KB Output is correct
6 Correct 127 ms 4560 KB Output is correct
7 Correct 113 ms 4436 KB Output is correct
8 Correct 119 ms 4440 KB Output is correct
9 Correct 114 ms 4460 KB Output is correct
10 Correct 90 ms 3412 KB Output is correct
11 Correct 94 ms 3396 KB Output is correct
12 Correct 89 ms 3404 KB Output is correct
13 Correct 87 ms 3416 KB Output is correct
14 Correct 89 ms 3476 KB Output is correct
15 Correct 98 ms 3396 KB Output is correct
16 Correct 107 ms 3396 KB Output is correct
17 Correct 86 ms 3396 KB Output is correct
18 Correct 105 ms 3408 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 4 ms 332 KB Output is correct
4 Correct 4 ms 332 KB Output is correct
5 Correct 4 ms 332 KB Output is correct
6 Correct 4 ms 332 KB Output is correct
7 Correct 4 ms 332 KB Output is correct
8 Correct 3 ms 332 KB Output is correct
9 Correct 4 ms 332 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 4 ms 460 KB Output is correct
12 Correct 4 ms 332 KB Output is correct
13 Correct 5 ms 332 KB Output is correct
14 Correct 4 ms 332 KB Output is correct
15 Correct 4 ms 332 KB Output is correct
16 Correct 4 ms 440 KB Output is correct
17 Correct 3 ms 332 KB Output is correct
18 Correct 3 ms 332 KB Output is correct
19 Correct 14 ms 844 KB Output is correct
20 Correct 15 ms 880 KB Output is correct
21 Correct 16 ms 844 KB Output is correct
22 Correct 15 ms 844 KB Output is correct
23 Correct 15 ms 844 KB Output is correct
24 Correct 15 ms 844 KB Output is correct
25 Correct 14 ms 844 KB Output is correct
26 Correct 18 ms 844 KB Output is correct
27 Correct 18 ms 844 KB Output is correct
28 Correct 15 ms 844 KB Output is correct
29 Correct 27 ms 1348 KB Output is correct
30 Correct 65 ms 2532 KB Output is correct
31 Correct 114 ms 4416 KB Output is correct
32 Correct 122 ms 4564 KB Output is correct
33 Correct 114 ms 4432 KB Output is correct
34 Correct 127 ms 4560 KB Output is correct
35 Correct 113 ms 4436 KB Output is correct
36 Correct 119 ms 4440 KB Output is correct
37 Correct 114 ms 4460 KB Output is correct
38 Correct 90 ms 3412 KB Output is correct
39 Correct 94 ms 3396 KB Output is correct
40 Correct 89 ms 3404 KB Output is correct
41 Correct 87 ms 3416 KB Output is correct
42 Correct 89 ms 3476 KB Output is correct
43 Correct 98 ms 3396 KB Output is correct
44 Correct 107 ms 3396 KB Output is correct
45 Correct 86 ms 3396 KB Output is correct
46 Correct 105 ms 3408 KB Output is correct
47 Correct 440 ms 14800 KB Output is correct
48 Correct 1855 ms 36668 KB Output is correct
49 Correct 1968 ms 38372 KB Output is correct
50 Correct 2047 ms 38208 KB Output is correct
51 Correct 1957 ms 38252 KB Output is correct
52 Correct 2001 ms 38304 KB Output is correct
53 Correct 1967 ms 38208 KB Output is correct
54 Correct 1903 ms 38212 KB Output is correct
55 Correct 2096 ms 38256 KB Output is correct
56 Correct 1906 ms 38336 KB Output is correct
57 Correct 1952 ms 38216 KB Output is correct
58 Correct 1759 ms 38260 KB Output is correct
59 Correct 1640 ms 38332 KB Output is correct
60 Correct 1597 ms 38216 KB Output is correct
61 Correct 1714 ms 38172 KB Output is correct
62 Correct 1547 ms 38252 KB Output is correct
63 Correct 1499 ms 38264 KB Output is correct
64 Correct 1551 ms 38288 KB Output is correct
65 Correct 1371 ms 38252 KB Output is correct
66 Correct 1379 ms 38252 KB Output is correct
67 Correct 1399 ms 38216 KB Output is correct