답안 #531288

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
531288 2022-02-28T10:57:39 Z dreadarceus 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
450 ms 262148 KB
#include <bits/stdc++.h>
using namespace std;

class DynamicSegTree
{
    struct DSegTreeItem
    {
        int val;
        bool lazy;
        DSegTreeItem *l, *r;
    };

  public:
    DynamicSegTree(int n)
    {
        this->nodes.reserve(1e7);
        this->make_new();
        this->size = n;
    }
    void rangeUpdate(int x, int y, DSegTreeItem *cur, int l, int r)
    {
        dynamics(cur);
        if (cur->lazy)
            propagateLazy(cur, l, r);
        if (y <= l || x >= r)
            return;
        if (l >= x && r <= y)
        {
            cur->lazy = 1;
            propagateLazy(cur, l, r);
            return;
        }
        rangeUpdate(x, y, cur->l, l, (r + l) / 2);
        rangeUpdate(x, y, cur->r, (r + l) / 2, r);
        cur->val = cur->l->val + cur->r->val;
    }
    int query(int x, int y, DSegTreeItem *cur, int l, int r)
    {
        dynamics(cur);
        if (cur->lazy)
            propagateLazy(cur, l, r);
        if (y <= l || x >= r)
            return 0;
        if (l >= x && r <= y)
            return cur->val;
        return query(x, y, cur->l, l, (r + l) / 2) + query(x, y, cur->r, (r + l) / 2, r);
    }
    void rangeUpdate(int x, int y)
    {
        rangeUpdate(x, y, nodes[0], 0, size);
    }
    int query(int x, int y)
    {
        return query(x, y, nodes[0], 0, size);
    }

  private:
    int size;
    vector<DSegTreeItem *> nodes;
    DSegTreeItem *make_new()
    {
        DSegTreeItem *nx = new DSegTreeItem({0, 0, nullptr, nullptr});
        nodes.push_back(nx);
        return nodes.back();
    }
    void dynamics(DSegTreeItem *cur)
    {
        if (cur->l == nullptr)
            cur->l = make_new();
        if (cur->r == nullptr)
            cur->r = make_new();
    }
    void propagateLazy(DSegTreeItem *cur, int l, int r)
    {
        if (l != r - 1)
        {
            cur->l->lazy = 1;
            cur->r->lazy = 1;
        }
        cur->val = r - l;
        cur->lazy = 0;
    }
};

void solveCase()
{
    int m = 0;
    cin >> m;

    DynamicSegTree dst(1e9 + 1);

    int c = 0;
    while (m--)
    {
        int d = 0, x = 0, y = 0;
        cin >> d >> x >> y;
        if (d == 1)
            c = dst.query(x + c, y + c + 1), cout << c << '\n';
        else
            dst.rangeUpdate(x + c, y + c + 1);
    }
}

int32_t main()
{
    mt19937 rng((unsigned int)chrono::steady_clock::now().time_since_epoch().count());
    if (rng() % 100000 == 0)
        assert(false);

    ios::sync_with_stdio(false), cin.tie(NULL);
    solveCase();
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 328 KB Output is correct
4 Correct 17 ms 7904 KB Output is correct
5 Correct 20 ms 9512 KB Output is correct
6 Correct 20 ms 9244 KB Output is correct
7 Correct 19 ms 9460 KB Output is correct
8 Correct 162 ms 72464 KB Output is correct
9 Correct 326 ms 125440 KB Output is correct
10 Correct 350 ms 138820 KB Output is correct
11 Correct 399 ms 149360 KB Output is correct
12 Correct 381 ms 153924 KB Output is correct
13 Correct 334 ms 179348 KB Output is correct
14 Correct 339 ms 181316 KB Output is correct
15 Runtime error 450 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -