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Submission #894270

# Submission time Handle Problem Language Result Execution time Memory
894270 2023-12-28T03:17:02 Z Olympia Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
77 / 100
 3000 ms 234440 KB 
#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <climits>
#include <cmath>
#include <cassert>
#include <algorithm>
using namespace std;
struct Node {
    int mx;
    int mn;
    int val;
    vector<int> v;
    Node () {
        this->mx = INT_MIN, this->mn = INT_MAX, this-> val = 0;
    }
    Node (int mn, int mx) {
        this->mx = mx, this->mn = mn, this->val = 0;
    }
} vec[(int)2097152];
struct SegmentTree {
    vector<int> nodes;
    int n;
    Node merge (Node &left, Node &right) {
        Node ans = {min(left.mn, right.mn), max(left.mx, right.mx)};
        ans.val = max(left.val, right.val);
        if (right.mx < left.mx) {
            ans.val = max(ans.val, left.mx + right.mx);
        } else if (right.mn < left.mx) {
            int l = 0;
            int r = right.v.size() - 1;
            while (l != r) {
                int m = (l + r + 1)/2;
                if (right.v[m] < left.mx) {
                    l = m;
                } else {
                    r = m - 1;
                }
            }
            ans.val = max(ans.val, right.v[l] + left.mx);
        }
        return ans;
    }
    vector<int> intervals;
    void query (int dum, int tl, int tr, int l, int r) {
        if (tl >= l && tr <= r) {
            intervals.push_back(dum);
        } else if (tl <= r && tr >= l) {
            query(2 * dum + 1, tl, (tl + tr)/2,l, r), query(2 * dum + 2, (tl + tr)/2 + 1, tr, l, r);
        }
    }
    int query (int l, int r) {
        intervals.clear();
        intervals.reserve(10);
        query(0, 0, n - 1, l, r);
        Node ans = vec[intervals[0]];
        ans.v.reserve(0);
        for (int i = 1; i < intervals.size(); i++) {
            ans = merge(ans, vec[intervals[i]]);
        }
        return ans.val;
    }
    void build (int dum, int tl, int tr) {
        if (tl == tr) {
            vec[dum] = Node(nodes[tl], nodes[tl]);
            vec[dum].v = {nodes[tl]};
        } else {
            build(2 * dum + 1, tl, (tl + tr)/2), build(2 * dum + 2, (tl + tr)/2 + 1, tr);
            vec[dum] = merge(vec[2 * dum + 1], vec[2 * dum + 2]);
            vec[dum].v.reserve(vec[2 * dum + 1].v.size() + vec[2 * dum + 2].v.size());
            std::merge(vec[2 * dum + 1].v.begin(), vec[2 * dum + 1].v.end(),
                   vec[2 * dum + 2].v.begin(), vec[2 * dum + 2].v.end(),
                   std::back_inserter(vec[dum].v));
        }
    }
    SegmentTree (vector<int> nodes) {
        this->nodes = nodes;
        this->n = nodes.size();
        this->n = (1 << (int)log2(n)) * 2;
        this->nodes.reserve(2 * n);
        while (this->nodes.size() < 2 * n) {
            this->nodes.push_back((int)1e9);
        }
        build(0, 0, n - 1);
    }
};
int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, q;
    cin >> n >> q;
    vector<int> v(n);
    for (int i = 0; i < n; i++) {
        cin >> v[i];
    }
    SegmentTree st(v);
    while (q--) {
        int l, r, k;
        cin >> l >> r >> k;
        l--, r--;
        cout << (st.query(l, r) <= k) << '\n';
    }
}

Compilation message

sortbooks.cpp: In member function 'int SegmentTree::query(int, int)':
sortbooks.cpp:59:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |         for (int i = 1; i < intervals.size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~~
sortbooks.cpp: In constructor 'SegmentTree::SegmentTree(std::vector<int>)':
sortbooks.cpp:82:35: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   82 |         while (this->nodes.size() < 2 * n) {
      |                ~~~~~~~~~~~~~~~~~~~^~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 82268 KB Output is correct
2 Correct 19 ms 82520 KB Output is correct
3 Correct 22 ms 82524 KB Output is correct
4 Correct 18 ms 82524 KB Output is correct
5 Correct 21 ms 82524 KB Output is correct
6 Correct 19 ms 82528 KB Output is correct
7 Correct 19 ms 82524 KB Output is correct
8 Correct 19 ms 82588 KB Output is correct
9 Correct 18 ms 82580 KB Output is correct
10 Correct 19 ms 82384 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 82268 KB Output is correct
2 Correct 19 ms 82520 KB Output is correct
3 Correct 22 ms 82524 KB Output is correct
4 Correct 18 ms 82524 KB Output is correct
5 Correct 21 ms 82524 KB Output is correct
6 Correct 19 ms 82528 KB Output is correct
7 Correct 19 ms 82524 KB Output is correct
8 Correct 19 ms 82588 KB Output is correct
9 Correct 18 ms 82580 KB Output is correct
10 Correct 19 ms 82384 KB Output is correct
11 Correct 21 ms 82524 KB Output is correct
12 Correct 22 ms 83340 KB Output is correct
13 Correct 28 ms 83288 KB Output is correct
14 Correct 24 ms 83288 KB Output is correct
15 Correct 24 ms 83440 KB Output is correct
16 Correct 24 ms 83292 KB Output is correct
17 Correct 23 ms 83292 KB Output is correct
18 Correct 24 ms 83596 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2394 ms 234228 KB Output is correct
2 Correct 2274 ms 234000 KB Output is correct
3 Correct 2399 ms 233828 KB Output is correct
4 Correct 2430 ms 234436 KB Output is correct
5 Correct 1593 ms 234280 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 204 ms 99664 KB Output is correct
2 Correct 157 ms 99768 KB Output is correct
3 Correct 128 ms 99704 KB Output is correct
4 Correct 126 ms 99564 KB Output is correct
5 Correct 128 ms 99648 KB Output is correct
6 Correct 121 ms 99736 KB Output is correct
7 Correct 135 ms 99688 KB Output is correct
8 Correct 348 ms 99648 KB Output is correct
9 Correct 67 ms 83056 KB Output is correct
10 Correct 357 ms 99744 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 82268 KB Output is correct
2 Correct 19 ms 82520 KB Output is correct
3 Correct 22 ms 82524 KB Output is correct
4 Correct 18 ms 82524 KB Output is correct
5 Correct 21 ms 82524 KB Output is correct
6 Correct 19 ms 82528 KB Output is correct
7 Correct 19 ms 82524 KB Output is correct
8 Correct 19 ms 82588 KB Output is correct
9 Correct 18 ms 82580 KB Output is correct
10 Correct 19 ms 82384 KB Output is correct
11 Correct 21 ms 82524 KB Output is correct
12 Correct 22 ms 83340 KB Output is correct
13 Correct 28 ms 83288 KB Output is correct
14 Correct 24 ms 83288 KB Output is correct
15 Correct 24 ms 83440 KB Output is correct
16 Correct 24 ms 83292 KB Output is correct
17 Correct 23 ms 83292 KB Output is correct
18 Correct 24 ms 83596 KB Output is correct
19 Correct 397 ms 117824 KB Output is correct
20 Correct 406 ms 118064 KB Output is correct
21 Correct 320 ms 118080 KB Output is correct
22 Correct 317 ms 118088 KB Output is correct
23 Correct 329 ms 118320 KB Output is correct
24 Correct 230 ms 117996 KB Output is correct
25 Correct 258 ms 117952 KB Output is correct
26 Correct 266 ms 117972 KB Output is correct
27 Correct 282 ms 118004 KB Output is correct
28 Correct 297 ms 117828 KB Output is correct
29 Correct 287 ms 117976 KB Output is correct
30 Correct 287 ms 117824 KB Output is correct
31 Correct 287 ms 118028 KB Output is correct
32 Correct 294 ms 118064 KB Output is correct
33 Correct 304 ms 117948 KB Output is correct
34 Correct 253 ms 118068 KB Output is correct
35 Correct 239 ms 117916 KB Output is correct
36 Correct 219 ms 118080 KB Output is correct
37 Correct 234 ms 118488 KB Output is correct
38 Correct 246 ms 117892 KB Output is correct
39 Correct 1010 ms 118084 KB Output is correct
40 Correct 1636 ms 118300 KB Output is correct
41 Correct 1237 ms 118096 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 82268 KB Output is correct
2 Correct 19 ms 82520 KB Output is correct
3 Correct 22 ms 82524 KB Output is correct
4 Correct 18 ms 82524 KB Output is correct
5 Correct 21 ms 82524 KB Output is correct
6 Correct 19 ms 82528 KB Output is correct
7 Correct 19 ms 82524 KB Output is correct
8 Correct 19 ms 82588 KB Output is correct
9 Correct 18 ms 82580 KB Output is correct
10 Correct 19 ms 82384 KB Output is correct
11 Correct 21 ms 82524 KB Output is correct
12 Correct 22 ms 83340 KB Output is correct
13 Correct 28 ms 83288 KB Output is correct
14 Correct 24 ms 83288 KB Output is correct
15 Correct 24 ms 83440 KB Output is correct
16 Correct 24 ms 83292 KB Output is correct
17 Correct 23 ms 83292 KB Output is correct
18 Correct 24 ms 83596 KB Output is correct
19 Correct 2394 ms 234228 KB Output is correct
20 Correct 2274 ms 234000 KB Output is correct
21 Correct 2399 ms 233828 KB Output is correct
22 Correct 2430 ms 234436 KB Output is correct
23 Correct 1593 ms 234280 KB Output is correct
24 Correct 204 ms 99664 KB Output is correct
25 Correct 157 ms 99768 KB Output is correct
26 Correct 128 ms 99704 KB Output is correct
27 Correct 126 ms 99564 KB Output is correct
28 Correct 128 ms 99648 KB Output is correct
29 Correct 121 ms 99736 KB Output is correct
30 Correct 135 ms 99688 KB Output is correct
31 Correct 348 ms 99648 KB Output is correct
32 Correct 67 ms 83056 KB Output is correct
33 Correct 357 ms 99744 KB Output is correct
34 Correct 397 ms 117824 KB Output is correct
35 Correct 406 ms 118064 KB Output is correct
36 Correct 320 ms 118080 KB Output is correct
37 Correct 317 ms 118088 KB Output is correct
38 Correct 329 ms 118320 KB Output is correct
39 Correct 230 ms 117996 KB Output is correct
40 Correct 258 ms 117952 KB Output is correct
41 Correct 266 ms 117972 KB Output is correct
42 Correct 282 ms 118004 KB Output is correct
43 Correct 297 ms 117828 KB Output is correct
44 Correct 287 ms 117976 KB Output is correct
45 Correct 287 ms 117824 KB Output is correct
46 Correct 287 ms 118028 KB Output is correct
47 Correct 294 ms 118064 KB Output is correct
48 Correct 304 ms 117948 KB Output is correct
49 Correct 253 ms 118068 KB Output is correct
50 Correct 239 ms 117916 KB Output is correct
51 Correct 219 ms 118080 KB Output is correct
52 Correct 234 ms 118488 KB Output is correct
53 Correct 246 ms 117892 KB Output is correct
54 Correct 1010 ms 118084 KB Output is correct
55 Correct 1636 ms 118300 KB Output is correct
56 Correct 1237 ms 118096 KB Output is correct
57 Correct 2386 ms 233872 KB Output is correct
58 Correct 2310 ms 234192 KB Output is correct
59 Correct 2267 ms 234292 KB Output is correct
60 Correct 2062 ms 233996 KB Output is correct
61 Correct 2076 ms 234092 KB Output is correct
62 Correct 2121 ms 234440 KB Output is correct
63 Correct 1025 ms 234108 KB Output is correct
64 Correct 1036 ms 234040 KB Output is correct
65 Correct 1405 ms 234084 KB Output is correct
66 Correct 1394 ms 234148 KB Output is correct
67 Correct 1385 ms 234208 KB Output is correct
68 Correct 1378 ms 234148 KB Output is correct
69 Correct 1403 ms 234000 KB Output is correct
70 Correct 1407 ms 234372 KB Output is correct
71 Correct 1433 ms 234368 KB Output is correct
72 Correct 1381 ms 233996 KB Output is correct
73 Correct 1053 ms 233992 KB Output is correct
74 Correct 1071 ms 234032 KB Output is correct
75 Correct 1056 ms 234080 KB Output is correct
76 Correct 1065 ms 234000 KB Output is correct
77 Correct 1068 ms 234112 KB Output is correct
78 Execution timed out 3050 ms 233912 KB Time limit exceeded
79 Halted 0 ms 0 KB -