oj.uz

Submission #894188

# Submission time Handle Problem Language Result Execution time Memory
894188 2023-12-28T02:31:34 Z Olympia Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
34 / 100
 3000 ms 262144 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;
    set<int> s;
    Node () {
        this->mx = INT_MIN, this->mn = INT_MAX, this->val = 0;
    }
};
struct SegmentTree {
    vector<Node> vec;
    vector<int> nodes;
    Node merge (Node &left, Node &right) {
        Node ans = {};
        ans.mn = min(left.mn, right.mn);
        ans.mx = 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) {
            ans.val = max(ans.val, *(--right.s.lower_bound(left.mx)) + 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);
            return;
        }
        if (tl > r || tr < l) {
            return;
        }
        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();
        query(0, 0, (int)vec.size()/2 - 1, l, r);
        Node ans = vec[intervals[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();
            vec[dum].mn = vec[dum].mx = nodes[tl];
            vec[dum].s = {nodes[tl]};
            return;
        }
        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]);
        for (int x: vec[2 * dum + 1].s) {
            vec[dum].s.insert(x);
        }
        for (int x: vec[2 * dum + 2].s) {
            vec[dum].s.insert(x);
        }
    }
    SegmentTree (vector<int> nodes) {
        this->nodes = nodes;
        int n = nodes.size();
        n = (1 << (int)log2(n)) * 2;
        vec.assign(2 * n, Node());
        while (this->nodes.size() < vec.size()) {
            this->nodes.push_back((int)1e9);
        }
        build(0, 0, (int)vec.size()/2 - 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:49:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for (int i = 1; i < intervals.size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 772 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 772 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 4 ms 1628 KB Output is correct
12 Correct 13 ms 4956 KB Output is correct
13 Correct 13 ms 5136 KB Output is correct
14 Correct 13 ms 5212 KB Output is correct
15 Correct 13 ms 5212 KB Output is correct
16 Correct 120 ms 5344 KB Output is correct
17 Correct 199 ms 4828 KB Output is correct
18 Correct 4 ms 2136 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 324 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 392 ms 73584 KB Output is correct
2 Correct 336 ms 73840 KB Output is correct
3 Correct 113 ms 31680 KB Output is correct
4 Correct 115 ms 31684 KB Output is correct
5 Correct 121 ms 31676 KB Output is correct
6 Correct 93 ms 31932 KB Output is correct
7 Correct 97 ms 31680 KB Output is correct
8 Correct 112 ms 30852 KB Output is correct
9 Correct 476 ms 1020 KB Output is correct
10 Correct 96 ms 30848 KB Output is correct

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 772 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 4 ms 1628 KB Output is correct
12 Correct 13 ms 4956 KB Output is correct
13 Correct 13 ms 5136 KB Output is correct
14 Correct 13 ms 5212 KB Output is correct
15 Correct 13 ms 5212 KB Output is correct
16 Correct 120 ms 5344 KB Output is correct
17 Correct 199 ms 4828 KB Output is correct
18 Correct 4 ms 2136 KB Output is correct
19 Correct 1067 ms 223980 KB Output is correct
20 Correct 1072 ms 226752 KB Output is correct
21 Correct 915 ms 226972 KB Output is correct
22 Correct 905 ms 228108 KB Output is correct
23 Correct 926 ms 227976 KB Output is correct
24 Correct 737 ms 228092 KB Output is correct
25 Correct 712 ms 226960 KB Output is correct
26 Correct 728 ms 228000 KB Output is correct
27 Correct 727 ms 226740 KB Output is correct
28 Correct 718 ms 223876 KB Output is correct
29 Correct 737 ms 226892 KB Output is correct
30 Correct 728 ms 223936 KB Output is correct
31 Correct 758 ms 222488 KB Output is correct
32 Correct 731 ms 227500 KB Output is correct
33 Correct 721 ms 223048 KB Output is correct
34 Correct 1282 ms 227120 KB Output is correct
35 Correct 1262 ms 227668 KB Output is correct
36 Correct 1277 ms 227096 KB Output is correct
37 Correct 1218 ms 226960 KB Output is correct
38 Correct 1401 ms 227084 KB Output is correct
39 Execution timed out 3068 ms 226840 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 772 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 4 ms 1628 KB Output is correct
12 Correct 13 ms 4956 KB Output is correct
13 Correct 13 ms 5136 KB Output is correct
14 Correct 13 ms 5212 KB Output is correct
15 Correct 13 ms 5212 KB Output is correct
16 Correct 120 ms 5344 KB Output is correct
17 Correct 199 ms 4828 KB Output is correct
18 Correct 4 ms 2136 KB Output is correct
19 Runtime error 324 ms 262144 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -