oj.uz

Submission #869601

# Submission time Handle Problem Language Result Execution time Memory
869601 2023-11-05T02:04:07 Z NeroZein Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 915 ms 50920 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

const int N = 1e6 + 6;

int ans[N]; 
int seg[N * 2];

void upd(int nd, int l, int r, int p, int v) {
  if (l == r) {
    seg[nd] = max(seg[nd], v);
    return;
  }
  int mid = (l + r) >> 1;
  int rs = nd + ((mid - l + 1) << 1);
  if (p <= mid) {
    upd(nd + 1, l, mid, p, v);
  } else {
    upd(rs, mid + 1, r, p, v);
  }
  seg[nd] = max(seg[nd + 1], seg[rs]); 
}

int qry(int nd, int l, int r, int s, int e) {
  if (l >= s && r <= e) {
    return seg[nd]; 
  }
  int mid = (l + r) >> 1;
  int rs = nd + ((mid - l + 1) << 1);
  if (mid >= e) {
    return qry(nd + 1, l, mid, s, e); 
  } else {
    if (mid < s) {
      return qry(rs, mid + 1, r, s, e);
    } else {
      return max(qry(nd + 1, l, mid, s, e), qry(rs, mid + 1, r, s, e)); 
    }
  }
}

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, q;
  cin >> n >> q;
  vector<int> a(n); 
  for (int i = 0; i < n; ++i) {
    cin >> a[i];
  }
  stack<int> stk;
  vector<array<int, 4>> ranges; 
  for (int i = 0; i < q; ++i) {
    int l, r, v;
    cin >> l >> r >> v; 
    --l, --r; 
    ranges.push_back({l, -r, v, i});//biggest l, then smallest r, then biggest sum
  }
  for (int i = n - 1; i >= 0; --i) {
    while (!stk.empty() && a[stk.top()] < a[i]) {
      ranges.push_back({i, -stk.top(), a[i] + a[stk.top()], -1});
      stk.pop();
    }
    stk.push(i); 
  }
  sort(ranges.begin(), ranges.end()); 
  reverse(ranges.begin(), ranges.end()); 
  for (auto [l, r, v, i] : ranges) {
    r = -r; 
    if (i == -1) {
      upd(0, 0, n - 1, r, v); 
    } else {
      int mx = qry(0, 0, n - 1, l, r);
      ans[i] = (mx <= v); 
    }
  }
  for (int i = 0; i < q; ++i) {
    cout << ans[i] << '\n'; 
  }
  return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2440 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2440 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2648 KB Output is correct
12 Correct 3 ms 2652 KB Output is correct
13 Correct 3 ms 2788 KB Output is correct
14 Correct 4 ms 2724 KB Output is correct
15 Correct 4 ms 2784 KB Output is correct
16 Correct 3 ms 2652 KB Output is correct
17 Correct 3 ms 2652 KB Output is correct
18 Correct 3 ms 2728 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 880 ms 50836 KB Output is correct
2 Correct 896 ms 49456 KB Output is correct
3 Correct 904 ms 49352 KB Output is correct
4 Correct 887 ms 49536 KB Output is correct
5 Correct 642 ms 30312 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 7364 KB Output is correct
2 Correct 73 ms 6944 KB Output is correct
3 Correct 57 ms 4904 KB Output is correct
4 Correct 54 ms 5064 KB Output is correct
5 Correct 55 ms 4892 KB Output is correct
6 Correct 55 ms 5056 KB Output is correct
7 Correct 55 ms 5236 KB Output is correct
8 Correct 61 ms 7108 KB Output is correct
9 Correct 34 ms 4208 KB Output is correct
10 Correct 58 ms 6048 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2440 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2648 KB Output is correct
12 Correct 3 ms 2652 KB Output is correct
13 Correct 3 ms 2788 KB Output is correct
14 Correct 4 ms 2724 KB Output is correct
15 Correct 4 ms 2784 KB Output is correct
16 Correct 3 ms 2652 KB Output is correct
17 Correct 3 ms 2652 KB Output is correct
18 Correct 3 ms 2728 KB Output is correct
19 Correct 172 ms 14800 KB Output is correct
20 Correct 167 ms 13632 KB Output is correct
21 Correct 157 ms 15548 KB Output is correct
22 Correct 157 ms 15288 KB Output is correct
23 Correct 162 ms 15520 KB Output is correct
24 Correct 120 ms 9668 KB Output is correct
25 Correct 121 ms 9668 KB Output is correct
26 Correct 122 ms 9668 KB Output is correct
27 Correct 137 ms 10436 KB Output is correct
28 Correct 121 ms 9668 KB Output is correct
29 Correct 127 ms 9668 KB Output is correct
30 Correct 124 ms 10272 KB Output is correct
31 Correct 126 ms 10180 KB Output is correct
32 Correct 124 ms 9832 KB Output is correct
33 Correct 130 ms 9608 KB Output is correct
34 Correct 119 ms 10292 KB Output is correct
35 Correct 120 ms 9668 KB Output is correct
36 Correct 119 ms 9488 KB Output is correct
37 Correct 120 ms 9476 KB Output is correct
38 Correct 119 ms 9524 KB Output is correct
39 Correct 123 ms 12736 KB Output is correct
40 Correct 97 ms 9988 KB Output is correct
41 Correct 129 ms 12476 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2440 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 2 ms 2648 KB Output is correct
12 Correct 3 ms 2652 KB Output is correct
13 Correct 3 ms 2788 KB Output is correct
14 Correct 4 ms 2724 KB Output is correct
15 Correct 4 ms 2784 KB Output is correct
16 Correct 3 ms 2652 KB Output is correct
17 Correct 3 ms 2652 KB Output is correct
18 Correct 3 ms 2728 KB Output is correct
19 Correct 880 ms 50836 KB Output is correct
20 Correct 896 ms 49456 KB Output is correct
21 Correct 904 ms 49352 KB Output is correct
22 Correct 887 ms 49536 KB Output is correct
23 Correct 642 ms 30312 KB Output is correct
24 Correct 76 ms 7364 KB Output is correct
25 Correct 73 ms 6944 KB Output is correct
26 Correct 57 ms 4904 KB Output is correct
27 Correct 54 ms 5064 KB Output is correct
28 Correct 55 ms 4892 KB Output is correct
29 Correct 55 ms 5056 KB Output is correct
30 Correct 55 ms 5236 KB Output is correct
31 Correct 61 ms 7108 KB Output is correct
32 Correct 34 ms 4208 KB Output is correct
33 Correct 58 ms 6048 KB Output is correct
34 Correct 172 ms 14800 KB Output is correct
35 Correct 167 ms 13632 KB Output is correct
36 Correct 157 ms 15548 KB Output is correct
37 Correct 157 ms 15288 KB Output is correct
38 Correct 162 ms 15520 KB Output is correct
39 Correct 120 ms 9668 KB Output is correct
40 Correct 121 ms 9668 KB Output is correct
41 Correct 122 ms 9668 KB Output is correct
42 Correct 137 ms 10436 KB Output is correct
43 Correct 121 ms 9668 KB Output is correct
44 Correct 127 ms 9668 KB Output is correct
45 Correct 124 ms 10272 KB Output is correct
46 Correct 126 ms 10180 KB Output is correct
47 Correct 124 ms 9832 KB Output is correct
48 Correct 130 ms 9608 KB Output is correct
49 Correct 119 ms 10292 KB Output is correct
50 Correct 120 ms 9668 KB Output is correct
51 Correct 119 ms 9488 KB Output is correct
52 Correct 120 ms 9476 KB Output is correct
53 Correct 119 ms 9524 KB Output is correct
54 Correct 123 ms 12736 KB Output is correct
55 Correct 97 ms 9988 KB Output is correct
56 Correct 129 ms 12476 KB Output is correct
57 Correct 904 ms 49512 KB Output is correct
58 Correct 894 ms 49384 KB Output is correct
59 Correct 904 ms 50920 KB Output is correct
60 Correct 890 ms 49348 KB Output is correct
61 Correct 915 ms 49400 KB Output is correct
62 Correct 884 ms 49320 KB Output is correct
63 Correct 621 ms 31440 KB Output is correct
64 Correct 619 ms 31664 KB Output is correct
65 Correct 653 ms 30636 KB Output is correct
66 Correct 647 ms 30068 KB Output is correct
67 Correct 651 ms 30028 KB Output is correct
68 Correct 657 ms 30384 KB Output is correct
69 Correct 660 ms 29904 KB Output is correct
70 Correct 647 ms 30076 KB Output is correct
71 Correct 649 ms 30176 KB Output is correct
72 Correct 683 ms 30644 KB Output is correct
73 Correct 612 ms 29872 KB Output is correct
74 Correct 624 ms 30032 KB Output is correct
75 Correct 608 ms 30132 KB Output is correct
76 Correct 627 ms 29864 KB Output is correct
77 Correct 612 ms 30216 KB Output is correct
78 Correct 646 ms 38580 KB Output is correct
79 Correct 498 ms 36528 KB Output is correct
80 Correct 694 ms 45396 KB Output is correct