Submission #531281

# Submission time Handle Problem Language Result Execution time Memory
531281 2022-02-28T10:49:43 Z dreadarceus Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
422 ms 262148 KB
#include <bits/stdc++.h>
using namespace std;
#define int long long

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

  public:
    DynamicSegTree(int n)
    {
        this->nodes.resize(64 * 123456);
        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;
    vector<DSegTreeItem *> nodes;
    DSegTreeItem *make_new()
    {
        DSegTreeItem *nx = new DSegTreeItem({0, 0, nullptr, nullptr});
        assert(last < (int)nodes.size());
        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 30 ms 62156 KB Output is correct
2 Correct 24 ms 62084 KB Output is correct
3 Correct 29 ms 62160 KB Output is correct
4 Correct 40 ms 71284 KB Output is correct
5 Correct 43 ms 73264 KB Output is correct
6 Correct 42 ms 72812 KB Output is correct
7 Correct 44 ms 73184 KB Output is correct
8 Correct 210 ms 149456 KB Output is correct
9 Correct 380 ms 213408 KB Output is correct
10 Correct 405 ms 229496 KB Output is correct
11 Correct 407 ms 242372 KB Output is correct
12 Correct 422 ms 248116 KB Output is correct
13 Runtime error 340 ms 262148 KB Execution killed with signal 9
14 Halted 0 ms 0 KB -