답안 #531310

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
531310 2022-02-28T11:29:57 Z dreadarceus 원숭이와 사과 나무 (IZhO12_apple) C++17
0 / 100
403 ms 262148 KB
#include <bits/stdc++.h>
using namespace std;

struct DSegTreeItem
{
    int val;
    bool lazy;
    DSegTreeItem *l, *r;
};
DSegTreeItem *nodes[64 * 123456];

class DynamicSegTree
{
  public:
    DynamicSegTree(int n)
    {
        this->size = n, last = 0;
        this->make_new();
    }
    void rangeUpdate(int x, int y, int v, DSegTreeItem *cur, int l, int r)
    {
        if (cur->lazy)
            propagateLazy(cur, l, r);

        if (y <= l || x >= r)
            return;
        if (l >= x && r <= y)
        {
            cur->lazy = v;
            propagateLazy(cur, l, r);
            return;
        }

        dynamics(cur);
        rangeUpdate(x, y, v, cur->l, l, (r + l) / 2);
        rangeUpdate(x, y, v, 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)
    {
        if (cur->lazy)
            propagateLazy(cur, l, r);

        if (y <= l || x >= r)
            return 0;
        if (l >= x && r <= y)
            return cur->val;

        dynamics(cur);
        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, int v)
    {
        rangeUpdate(x, y, v, nodes[0], 0, size);
    }
    int query(int x, int y)
    {
        return query(x, y, nodes[0], 0, size);
    }

  private:
    int size, last;
    DSegTreeItem *make_new()
    {
        DSegTreeItem *nw = new DSegTreeItem({0, 0, nullptr, nullptr});
        nodes[last++] = nw;
        return nw;
    }
    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)
        {
            dynamics(cur);
            cur->l->lazy = cur->lazy;
            cur->r->lazy = cur->lazy;
        }
        cur->val = (r - l) * cur->lazy, 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, 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 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 17 ms 7244 KB Output is correct
5 Correct 19 ms 8700 KB Output is correct
6 Correct 19 ms 8380 KB Output is correct
7 Correct 19 ms 8612 KB Output is correct
8 Correct 141 ms 64144 KB Output is correct
9 Correct 293 ms 109132 KB Output is correct
10 Correct 302 ms 122400 KB Output is correct
11 Correct 312 ms 132908 KB Output is correct
12 Correct 322 ms 137412 KB Output is correct
13 Correct 302 ms 170952 KB Output is correct
14 Correct 304 ms 173048 KB Output is correct
15 Runtime error 403 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -