oj.uz

Submission #894183

# Submission time Handle Problem Language Result Execution time Memory
894183 2023-12-28T02:24:27 Z Olympia Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
17 / 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;
    int l;
    int r;
    set<int> s;
    Node (int l, int r) {
        this->mx = INT_MIN, this->mn = INT_MAX, this->val = 0, this->l = l, this->r = r;
    }
};
struct SegmentTree {
    vector<Node> vec;
    vector<int> nodes;
    Node merge (Node left, Node right) {
        if (left.l == -1) {
            return right;
        }
        if (right.l == -1) {
            return left;
        }
        assert(left.r == right.l - 1);
        Node ans = Node(left.l, right.r);
        ans.mn = min(left.mn, right.mn);
        ans.mx = max(left.mx, right.mx);
        ans.val = max(left.val, right.val);
        assert(!right.s.empty());
        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(tl, tr);
            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(0, 0));
        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++) {
      |                         ~~^~~~~~~~~~~~~~~~~~

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 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 5 ms 604 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 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 5 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 38 ms 1628 KB Output is correct
12 Correct 126 ms 5212 KB Output is correct
13 Correct 145 ms 5212 KB Output is correct
14 Correct 236 ms 5368 KB Output is correct
15 Correct 241 ms 5712 KB Output is correct
16 Correct 546 ms 5464 KB Output is correct
17 Correct 266 ms 4956 KB Output is correct
18 Correct 7 ms 2396 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 351 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3092 ms 76092 KB Time limit exceeded
2 Halted 0 ms 0 KB -

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 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 5 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 38 ms 1628 KB Output is correct
12 Correct 126 ms 5212 KB Output is correct
13 Correct 145 ms 5212 KB Output is correct
14 Correct 236 ms 5368 KB Output is correct
15 Correct 241 ms 5712 KB Output is correct
16 Correct 546 ms 5464 KB Output is correct
17 Correct 266 ms 4956 KB Output is correct
18 Correct 7 ms 2396 KB Output is correct
19 Execution timed out 3040 ms 229784 KB Time limit exceeded
20 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 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 3 ms 604 KB Output is correct
7 Correct 3 ms 604 KB Output is correct
8 Correct 5 ms 604 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 38 ms 1628 KB Output is correct
12 Correct 126 ms 5212 KB Output is correct
13 Correct 145 ms 5212 KB Output is correct
14 Correct 236 ms 5368 KB Output is correct
15 Correct 241 ms 5712 KB Output is correct
16 Correct 546 ms 5464 KB Output is correct
17 Correct 266 ms 4956 KB Output is correct
18 Correct 7 ms 2396 KB Output is correct
19 Runtime error 351 ms 262144 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -