oj.uz

Submission #894297

# Submission time Handle Problem Language Result Execution time Memory
894297 2023-12-28T04:10:41 Z Olympia Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
77 / 100
 3000 ms 238148 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 (int mn, int mx) {
        this->mx = mx, this->mn = mn, this->val = 0;
    }
};
struct SegmentTree {
    vector<Node> vec;
    vector<int> nodes;
    int sz;
    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.v[0] < left.mx) {
            ans.val = max(ans.val, *(--lower_bound(right.v.begin(), right.v.end(), left.mx)) + left.mx);
        }
        return ans;
    }
    int query (int l, int r) {
        r += 1;
        vector<int> vec1, vec2;
        for(l += sz , r += sz; l < r;l >>= 1 , r >>= 1){
            if(l&1){
                vec1.push_back(l++);
            }
            if(r&1){
                vec2.push_back(--r);
            }
        }
        reverse(vec2.begin(), vec2.end());
        for (int x: vec2) vec1.push_back(x);
        Node ans = vec[vec1[0]];
        for (int i = 1; i < vec1.size(); i++) {
            ans = merge(ans, vec[vec1[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, tl, (tl + tr)/2), build(2 * dum + 1, (tl + tr)/2 + 1, tr);
            vec[dum] = merge(vec[2 * dum], vec[2 * dum + 1]);
            std::merge(vec[2 * dum].v.begin(), vec[2 * dum].v.end(),
                       vec[2 * dum + 1].v.begin(), vec[2 * dum + 1].v.end(),
                       std::back_inserter(vec[dum].v));
        }
    }
    SegmentTree (vector<int> nodes) {
        this->nodes = nodes;
        int n = nodes.size();
        n = (1 << (int)log2(n)) * 2;
        this->sz = n;
        vec.assign(2 * n, Node(INT_MAX, -INT_MAX));
        this->nodes.reserve(vec.size());
        while (this->nodes.size() < vec.size()) {
            this->nodes.push_back((int)1e9);
        }
        build( 1, 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:47:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         for (int i = 1; i < vec1.size(); i++) {
      |                         ~~^~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 348 KB Output is correct
6 Correct 1 ms 348 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 344 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 348 KB Output is correct
6 Correct 1 ms 348 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 344 KB Output is correct
11 Correct 3 ms 696 KB Output is correct
12 Correct 5 ms 1884 KB Output is correct
13 Correct 5 ms 1884 KB Output is correct
14 Correct 7 ms 1884 KB Output is correct
15 Correct 7 ms 2088 KB Output is correct
16 Correct 6 ms 1884 KB Output is correct
17 Correct 5 ms 1884 KB Output is correct
18 Correct 6 ms 1884 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2358 ms 237996 KB Output is correct
2 Correct 2229 ms 237996 KB Output is correct
3 Correct 2393 ms 237988 KB Output is correct
4 Correct 2273 ms 238020 KB Output is correct
5 Correct 1848 ms 238016 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 163 ms 28416 KB Output is correct
2 Correct 154 ms 28456 KB Output is correct
3 Correct 148 ms 28380 KB Output is correct
4 Correct 127 ms 28204 KB Output is correct
5 Correct 126 ms 28360 KB Output is correct
6 Correct 113 ms 28372 KB Output is correct
7 Correct 108 ms 28364 KB Output is correct
8 Correct 356 ms 28412 KB Output is correct
9 Correct 47 ms 756 KB Output is correct
10 Correct 325 ms 28360 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 348 KB Output is correct
6 Correct 1 ms 348 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 344 KB Output is correct
11 Correct 3 ms 696 KB Output is correct
12 Correct 5 ms 1884 KB Output is correct
13 Correct 5 ms 1884 KB Output is correct
14 Correct 7 ms 1884 KB Output is correct
15 Correct 7 ms 2088 KB Output is correct
16 Correct 6 ms 1884 KB Output is correct
17 Correct 5 ms 1884 KB Output is correct
18 Correct 6 ms 1884 KB Output is correct
19 Correct 381 ms 57276 KB Output is correct
20 Correct 387 ms 57404 KB Output is correct
21 Correct 328 ms 57412 KB Output is correct
22 Correct 328 ms 57412 KB Output is correct
23 Correct 318 ms 57272 KB Output is correct
24 Correct 255 ms 57416 KB Output is correct
25 Correct 242 ms 57412 KB Output is correct
26 Correct 307 ms 57192 KB Output is correct
27 Correct 283 ms 57244 KB Output is correct
28 Correct 349 ms 57420 KB Output is correct
29 Correct 318 ms 57408 KB Output is correct
30 Correct 322 ms 57392 KB Output is correct
31 Correct 312 ms 57412 KB Output is correct
32 Correct 324 ms 57412 KB Output is correct
33 Correct 316 ms 57356 KB Output is correct
34 Correct 232 ms 57408 KB Output is correct
35 Correct 239 ms 57352 KB Output is correct
36 Correct 237 ms 57412 KB Output is correct
37 Correct 234 ms 57408 KB Output is correct
38 Correct 232 ms 57408 KB Output is correct
39 Correct 1002 ms 57412 KB Output is correct
40 Correct 1594 ms 56908 KB Output is correct
41 Correct 1169 ms 57512 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 ms 348 KB Output is correct
6 Correct 1 ms 348 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 344 KB Output is correct
11 Correct 3 ms 696 KB Output is correct
12 Correct 5 ms 1884 KB Output is correct
13 Correct 5 ms 1884 KB Output is correct
14 Correct 7 ms 1884 KB Output is correct
15 Correct 7 ms 2088 KB Output is correct
16 Correct 6 ms 1884 KB Output is correct
17 Correct 5 ms 1884 KB Output is correct
18 Correct 6 ms 1884 KB Output is correct
19 Correct 2358 ms 237996 KB Output is correct
20 Correct 2229 ms 237996 KB Output is correct
21 Correct 2393 ms 237988 KB Output is correct
22 Correct 2273 ms 238020 KB Output is correct
23 Correct 1848 ms 238016 KB Output is correct
24 Correct 163 ms 28416 KB Output is correct
25 Correct 154 ms 28456 KB Output is correct
26 Correct 148 ms 28380 KB Output is correct
27 Correct 127 ms 28204 KB Output is correct
28 Correct 126 ms 28360 KB Output is correct
29 Correct 113 ms 28372 KB Output is correct
30 Correct 108 ms 28364 KB Output is correct
31 Correct 356 ms 28412 KB Output is correct
32 Correct 47 ms 756 KB Output is correct
33 Correct 325 ms 28360 KB Output is correct
34 Correct 381 ms 57276 KB Output is correct
35 Correct 387 ms 57404 KB Output is correct
36 Correct 328 ms 57412 KB Output is correct
37 Correct 328 ms 57412 KB Output is correct
38 Correct 318 ms 57272 KB Output is correct
39 Correct 255 ms 57416 KB Output is correct
40 Correct 242 ms 57412 KB Output is correct
41 Correct 307 ms 57192 KB Output is correct
42 Correct 283 ms 57244 KB Output is correct
43 Correct 349 ms 57420 KB Output is correct
44 Correct 318 ms 57408 KB Output is correct
45 Correct 322 ms 57392 KB Output is correct
46 Correct 312 ms 57412 KB Output is correct
47 Correct 324 ms 57412 KB Output is correct
48 Correct 316 ms 57356 KB Output is correct
49 Correct 232 ms 57408 KB Output is correct
50 Correct 239 ms 57352 KB Output is correct
51 Correct 237 ms 57412 KB Output is correct
52 Correct 234 ms 57408 KB Output is correct
53 Correct 232 ms 57408 KB Output is correct
54 Correct 1002 ms 57412 KB Output is correct
55 Correct 1594 ms 56908 KB Output is correct
56 Correct 1169 ms 57512 KB Output is correct
57 Correct 2194 ms 237984 KB Output is correct
58 Correct 2232 ms 238028 KB Output is correct
59 Correct 2187 ms 238040 KB Output is correct
60 Correct 2271 ms 238016 KB Output is correct
61 Correct 2268 ms 238032 KB Output is correct
62 Correct 2263 ms 238024 KB Output is correct
63 Correct 1373 ms 238016 KB Output is correct
64 Correct 1211 ms 238032 KB Output is correct
65 Correct 1924 ms 238092 KB Output is correct
66 Correct 1919 ms 238064 KB Output is correct
67 Correct 1859 ms 238040 KB Output is correct
68 Correct 1888 ms 237920 KB Output is correct
69 Correct 1871 ms 238092 KB Output is correct
70 Correct 1893 ms 238092 KB Output is correct
71 Correct 1908 ms 238096 KB Output is correct
72 Correct 1879 ms 238036 KB Output is correct
73 Correct 1205 ms 237968 KB Output is correct
74 Correct 1203 ms 237944 KB Output is correct
75 Correct 1253 ms 238148 KB Output is correct
76 Correct 1264 ms 238100 KB Output is correct
77 Correct 1245 ms 238108 KB Output is correct
78 Execution timed out 3064 ms 238036 KB Time limit exceeded
79 Halted 0 ms 0 KB -