Submission #531284

# Submission time Handle Problem Language Result Execution time Memory
531284 2022-02-28T10:53:34 Z dreadarceus Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
442 ms 262148 KB
#include <bits/stdc++.h>
using namespace std;
#define int long long

struct DSegTreeItem
{
    int32_t val, lazy;
    DSegTreeItem *l, *r;
};

const int64_t MAXN = 1e7 + 1;
DSegTreeItem *nodes[MAXN];

class DynamicSegTree
{
  public:
    DynamicSegTree(int n)
    {
        this->size = n, this->last = 0;
        this->make_new();
    }
    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, last;
    DSegTreeItem *make_new()
    {
        DSegTreeItem *nx = new DSegTreeItem({0, 0, nullptr, nullptr});
        assert(last < MAXN);
        nodes[last] = nx;
        return nodes[last++];
    }
    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(1e10);

    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();
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 23 ms 8012 KB Output is correct
5 Correct 22 ms 9548 KB Output is correct
6 Correct 23 ms 9160 KB Output is correct
7 Correct 30 ms 9548 KB Output is correct
8 Correct 182 ms 73000 KB Output is correct
9 Correct 349 ms 126344 KB Output is correct
10 Correct 380 ms 139744 KB Output is correct
11 Correct 369 ms 150492 KB Output is correct
12 Correct 356 ms 155052 KB Output is correct
13 Correct 371 ms 179972 KB Output is correct
14 Correct 343 ms 181824 KB Output is correct
15 Runtime error 442 ms 262148 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -