oj.uz

Submission #894204

# Submission time Handle Problem Language Result Execution time Memory
894204 2023-12-28T02:53:38 Z Olympia Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
77 / 100
 3000 ms 259648 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;
    }
};
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) {
            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);
            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].v = {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]);
        int l = 0;
        int r = 0;
        while (l < vec[2 * dum + 1].v.size() || r < vec[2 * dum + 2].v.size()) {
            if (l == vec[2 * dum + 1].v.size()) {
                vec[dum].v.push_back(vec[2 * dum + 2].v[r++]);
            } else if (r == vec[2 * dum + 2].v.size()) {
                vec[dum].v.push_back(vec[2 * dum + 1].v[l++]);
            } else if (vec[2 * dum + 1].v[l] < vec[2 * dum + 2].v[r]){
                vec[dum].v.push_back(vec[2 * dum + 1].v[l++]);
            } else {
                vec[dum].v.push_back(vec[2 * dum + 2].v[r++]);
            }
        }
    }
    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: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 member function 'void SegmentTree::build(int, int, int)':
sortbooks.cpp:75:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |         while (l < vec[2 * dum + 1].v.size() || r < vec[2 * dum + 2].v.size()) {
      |                ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:75:51: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |         while (l < vec[2 * dum + 1].v.size() || r < vec[2 * dum + 2].v.size()) {
      |                                                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:76:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   76 |             if (l == vec[2 * dum + 1].v.size()) {
      |                 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
sortbooks.cpp:78:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |             } else if (r == vec[2 * dum + 2].v.size()) {
      |                        ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 3 ms 696 KB Output is correct
12 Correct 5 ms 2012 KB Output is correct
13 Correct 5 ms 2088 KB Output is correct
14 Correct 6 ms 1880 KB Output is correct
15 Correct 7 ms 1884 KB Output is correct
16 Correct 5 ms 2084 KB Output is correct
17 Correct 6 ms 1884 KB Output is correct
18 Correct 7 ms 1884 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2287 ms 239744 KB Output is correct
2 Correct 2186 ms 255068 KB Output is correct
3 Correct 2116 ms 255124 KB Output is correct
4 Correct 2078 ms 253908 KB Output is correct
5 Correct 1410 ms 254556 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 29604 KB Output is correct
2 Correct 143 ms 29344 KB Output is correct
3 Correct 130 ms 29316 KB Output is correct
4 Correct 108 ms 29488 KB Output is correct
5 Correct 111 ms 29492 KB Output is correct
6 Correct 103 ms 29316 KB Output is correct
7 Correct 93 ms 29492 KB Output is correct
8 Correct 303 ms 29232 KB Output is correct
9 Correct 36 ms 1628 KB Output is correct
10 Correct 315 ms 29460 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 3 ms 696 KB Output is correct
12 Correct 5 ms 2012 KB Output is correct
13 Correct 5 ms 2088 KB Output is correct
14 Correct 6 ms 1880 KB Output is correct
15 Correct 7 ms 1884 KB Output is correct
16 Correct 5 ms 2084 KB Output is correct
17 Correct 6 ms 1884 KB Output is correct
18 Correct 7 ms 1884 KB Output is correct
19 Correct 358 ms 60692 KB Output is correct
20 Correct 366 ms 60496 KB Output is correct
21 Correct 301 ms 60616 KB Output is correct
22 Correct 291 ms 61124 KB Output is correct
23 Correct 292 ms 60936 KB Output is correct
24 Correct 211 ms 60352 KB Output is correct
25 Correct 219 ms 60180 KB Output is correct
26 Correct 245 ms 60692 KB Output is correct
27 Correct 245 ms 60952 KB Output is correct
28 Correct 271 ms 60428 KB Output is correct
29 Correct 268 ms 60952 KB Output is correct
30 Correct 249 ms 60408 KB Output is correct
31 Correct 259 ms 60600 KB Output is correct
32 Correct 275 ms 60704 KB Output is correct
33 Correct 254 ms 60688 KB Output is correct
34 Correct 208 ms 60824 KB Output is correct
35 Correct 201 ms 60908 KB Output is correct
36 Correct 202 ms 61204 KB Output is correct
37 Correct 211 ms 60304 KB Output is correct
38 Correct 199 ms 61140 KB Output is correct
39 Correct 955 ms 60840 KB Output is correct
40 Correct 1567 ms 59384 KB Output is correct
41 Correct 1154 ms 60196 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 3 ms 696 KB Output is correct
12 Correct 5 ms 2012 KB Output is correct
13 Correct 5 ms 2088 KB Output is correct
14 Correct 6 ms 1880 KB Output is correct
15 Correct 7 ms 1884 KB Output is correct
16 Correct 5 ms 2084 KB Output is correct
17 Correct 6 ms 1884 KB Output is correct
18 Correct 7 ms 1884 KB Output is correct
19 Correct 2287 ms 239744 KB Output is correct
20 Correct 2186 ms 255068 KB Output is correct
21 Correct 2116 ms 255124 KB Output is correct
22 Correct 2078 ms 253908 KB Output is correct
23 Correct 1410 ms 254556 KB Output is correct
24 Correct 157 ms 29604 KB Output is correct
25 Correct 143 ms 29344 KB Output is correct
26 Correct 130 ms 29316 KB Output is correct
27 Correct 108 ms 29488 KB Output is correct
28 Correct 111 ms 29492 KB Output is correct
29 Correct 103 ms 29316 KB Output is correct
30 Correct 93 ms 29492 KB Output is correct
31 Correct 303 ms 29232 KB Output is correct
32 Correct 36 ms 1628 KB Output is correct
33 Correct 315 ms 29460 KB Output is correct
34 Correct 358 ms 60692 KB Output is correct
35 Correct 366 ms 60496 KB Output is correct
36 Correct 301 ms 60616 KB Output is correct
37 Correct 291 ms 61124 KB Output is correct
38 Correct 292 ms 60936 KB Output is correct
39 Correct 211 ms 60352 KB Output is correct
40 Correct 219 ms 60180 KB Output is correct
41 Correct 245 ms 60692 KB Output is correct
42 Correct 245 ms 60952 KB Output is correct
43 Correct 271 ms 60428 KB Output is correct
44 Correct 268 ms 60952 KB Output is correct
45 Correct 249 ms 60408 KB Output is correct
46 Correct 259 ms 60600 KB Output is correct
47 Correct 275 ms 60704 KB Output is correct
48 Correct 254 ms 60688 KB Output is correct
49 Correct 208 ms 60824 KB Output is correct
50 Correct 201 ms 60908 KB Output is correct
51 Correct 202 ms 61204 KB Output is correct
52 Correct 211 ms 60304 KB Output is correct
53 Correct 199 ms 61140 KB Output is correct
54 Correct 955 ms 60840 KB Output is correct
55 Correct 1567 ms 59384 KB Output is correct
56 Correct 1154 ms 60196 KB Output is correct
57 Correct 2074 ms 257368 KB Output is correct
58 Correct 2036 ms 258612 KB Output is correct
59 Correct 2015 ms 258184 KB Output is correct
60 Correct 1993 ms 257632 KB Output is correct
61 Correct 2053 ms 257940 KB Output is correct
62 Correct 2106 ms 257016 KB Output is correct
63 Correct 1002 ms 256568 KB Output is correct
64 Correct 1016 ms 257172 KB Output is correct
65 Correct 1370 ms 257688 KB Output is correct
66 Correct 1376 ms 259352 KB Output is correct
67 Correct 1413 ms 257712 KB Output is correct
68 Correct 1401 ms 258988 KB Output is correct
69 Correct 1380 ms 258412 KB Output is correct
70 Correct 1366 ms 259648 KB Output is correct
71 Correct 1379 ms 258016 KB Output is correct
72 Correct 1380 ms 258408 KB Output is correct
73 Correct 1054 ms 253748 KB Output is correct
74 Correct 1020 ms 255848 KB Output is correct
75 Correct 1060 ms 254292 KB Output is correct
76 Correct 1060 ms 254812 KB Output is correct
77 Correct 1058 ms 255116 KB Output is correct
78 Execution timed out 3050 ms 243852 KB Time limit exceeded
79 Halted 0 ms 0 KB -