oj.uz

Submission #526373

# Submission time Handle Problem Language Result Execution time Memory
526373 2022-02-14T13:54:46 Z Alex_tz307 Bubble Sort 2 (JOI18_bubblesort2) C++17
100 / 100
 4046 ms 113964 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;
  pairs.reserve(n + q);
  for (int i = 0; i < n; ++i) {
    pairs.emplace_back(a[i], i);
  }
  for (int i = 0; i < q; ++i) {
    pairs.emplace_back(v[i], x[i]);
  }
  sort(pairs.begin(), pairs.end());
  map<pair<int, int>, int> order;
  order[pairs[0]] = 0;
  int N = 0;
  for (int i = 1; i < (int)pairs.size(); ++i) {
    if (pairs[i] != pairs[i - 1]) {
      N += 1;
    }
    order[pairs[i]] = N;
  }
  N += 1;
  ST t(N);
  auto update = [&](const int &index, const int &pos, const int &sgn) -> void {
    t.update(index, index, sgn * INF);
    t.update(index, index, sgn * pos);
    t.update(index + 1, N - 1, -sgn);
  };
  for (int i = 0; i < n; ++i) {
    update(order[{a[i], i}], i, 1);
  }
  vector<int> sol(q);
  for (int i = 0; i < q; ++i) {
    update(order[{a[x[i]], x[i]}], x[i], -1);
    a[x[i]] = v[i];
    update(order[{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 2 ms 332 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 5 ms 716 KB Output is correct
4 Correct 5 ms 736 KB Output is correct
5 Correct 6 ms 696 KB Output is correct
6 Correct 5 ms 704 KB Output is correct
7 Correct 5 ms 688 KB Output is correct
8 Correct 6 ms 696 KB Output is correct
9 Correct 5 ms 716 KB Output is correct
10 Correct 5 ms 684 KB Output is correct
11 Correct 5 ms 684 KB Output is correct
12 Correct 5 ms 688 KB Output is correct
13 Correct 5 ms 588 KB Output is correct
14 Correct 5 ms 588 KB Output is correct
15 Correct 5 ms 688 KB Output is correct
16 Correct 4 ms 588 KB Output is correct
17 Correct 5 ms 588 KB Output is correct
18 Correct 5 ms 588 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 5 ms 716 KB Output is correct
4 Correct 5 ms 736 KB Output is correct
5 Correct 6 ms 696 KB Output is correct
6 Correct 5 ms 704 KB Output is correct
7 Correct 5 ms 688 KB Output is correct
8 Correct 6 ms 696 KB Output is correct
9 Correct 5 ms 716 KB Output is correct
10 Correct 5 ms 684 KB Output is correct
11 Correct 5 ms 684 KB Output is correct
12 Correct 5 ms 688 KB Output is correct
13 Correct 5 ms 588 KB Output is correct
14 Correct 5 ms 588 KB Output is correct
15 Correct 5 ms 688 KB Output is correct
16 Correct 4 ms 588 KB Output is correct
17 Correct 5 ms 588 KB Output is correct
18 Correct 5 ms 588 KB Output is correct
19 Correct 21 ms 1868 KB Output is correct
20 Correct 24 ms 2064 KB Output is correct
21 Correct 23 ms 1996 KB Output is correct
22 Correct 29 ms 2188 KB Output is correct
23 Correct 22 ms 1932 KB Output is correct
24 Correct 22 ms 1840 KB Output is correct
25 Correct 21 ms 1820 KB Output is correct
26 Correct 21 ms 1832 KB Output is correct
27 Correct 20 ms 1792 KB Output is correct
28 Correct 20 ms 1684 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 3020 KB Output is correct
2 Correct 109 ms 7076 KB Output is correct
3 Correct 216 ms 11292 KB Output is correct
4 Correct 211 ms 11248 KB Output is correct
5 Correct 212 ms 11240 KB Output is correct
6 Correct 203 ms 11076 KB Output is correct
7 Correct 194 ms 11132 KB Output is correct
8 Correct 210 ms 11232 KB Output is correct
9 Correct 195 ms 11076 KB Output is correct
10 Correct 137 ms 7452 KB Output is correct
11 Correct 142 ms 7520 KB Output is correct
12 Correct 145 ms 7460 KB Output is correct
13 Correct 135 ms 7544 KB Output is correct
14 Correct 139 ms 7596 KB Output is correct
15 Correct 130 ms 7508 KB Output is correct
16 Correct 126 ms 7512 KB Output is correct
17 Correct 126 ms 7692 KB Output is correct
18 Correct 128 ms 7512 KB Output is correct

Subtask #4
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 5 ms 716 KB Output is correct
4 Correct 5 ms 736 KB Output is correct
5 Correct 6 ms 696 KB Output is correct
6 Correct 5 ms 704 KB Output is correct
7 Correct 5 ms 688 KB Output is correct
8 Correct 6 ms 696 KB Output is correct
9 Correct 5 ms 716 KB Output is correct
10 Correct 5 ms 684 KB Output is correct
11 Correct 5 ms 684 KB Output is correct
12 Correct 5 ms 688 KB Output is correct
13 Correct 5 ms 588 KB Output is correct
14 Correct 5 ms 588 KB Output is correct
15 Correct 5 ms 688 KB Output is correct
16 Correct 4 ms 588 KB Output is correct
17 Correct 5 ms 588 KB Output is correct
18 Correct 5 ms 588 KB Output is correct
19 Correct 21 ms 1868 KB Output is correct
20 Correct 24 ms 2064 KB Output is correct
21 Correct 23 ms 1996 KB Output is correct
22 Correct 29 ms 2188 KB Output is correct
23 Correct 22 ms 1932 KB Output is correct
24 Correct 22 ms 1840 KB Output is correct
25 Correct 21 ms 1820 KB Output is correct
26 Correct 21 ms 1832 KB Output is correct
27 Correct 20 ms 1792 KB Output is correct
28 Correct 20 ms 1684 KB Output is correct
29 Correct 34 ms 3020 KB Output is correct
30 Correct 109 ms 7076 KB Output is correct
31 Correct 216 ms 11292 KB Output is correct
32 Correct 211 ms 11248 KB Output is correct
33 Correct 212 ms 11240 KB Output is correct
34 Correct 203 ms 11076 KB Output is correct
35 Correct 194 ms 11132 KB Output is correct
36 Correct 210 ms 11232 KB Output is correct
37 Correct 195 ms 11076 KB Output is correct
38 Correct 137 ms 7452 KB Output is correct
39 Correct 142 ms 7520 KB Output is correct
40 Correct 145 ms 7460 KB Output is correct
41 Correct 135 ms 7544 KB Output is correct
42 Correct 139 ms 7596 KB Output is correct
43 Correct 130 ms 7508 KB Output is correct
44 Correct 126 ms 7512 KB Output is correct
45 Correct 126 ms 7692 KB Output is correct
46 Correct 128 ms 7512 KB Output is correct
47 Correct 901 ms 37112 KB Output is correct
48 Correct 3563 ms 105720 KB Output is correct
49 Correct 3947 ms 113764 KB Output is correct
50 Correct 3912 ms 113728 KB Output is correct
51 Correct 3959 ms 113912 KB Output is correct
52 Correct 4046 ms 113760 KB Output is correct
53 Correct 3916 ms 113760 KB Output is correct
54 Correct 3536 ms 113964 KB Output is correct
55 Correct 3802 ms 113960 KB Output is correct
56 Correct 3523 ms 113904 KB Output is correct
57 Correct 3891 ms 113932 KB Output is correct
58 Correct 3712 ms 113904 KB Output is correct
59 Correct 3075 ms 104792 KB Output is correct
60 Correct 3099 ms 104776 KB Output is correct
61 Correct 3001 ms 104728 KB Output is correct
62 Correct 2798 ms 100968 KB Output is correct
63 Correct 2937 ms 100696 KB Output is correct
64 Correct 3151 ms 100708 KB Output is correct
65 Correct 2800 ms 96648 KB Output is correct
66 Correct 2707 ms 96600 KB Output is correct
67 Correct 2726 ms 96640 KB Output is correct