Submission #531266

# Submission time Handle Problem Language Result Execution time Memory
531266 2022-02-28T09:57:53 Z dreadarceus Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
464 ms 262148 KB
// Lazy no dynamic
#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->make_new();
        this->size = n;
    }
    void rangeUpdate(int x, int y, DSegTreeItem *cur, int l, int r)
    {
        if (cur->l == nullptr)
            cur->l = make_new();
        if (cur->r == nullptr)
            cur->r = make_new();
        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)
    {
        if (cur->l == nullptr)
            cur->l = make_new();
        if (cur->r == nullptr)
            cur->r = make_new();
        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:
    vector<DSegTreeItem *> nodes;
    DSegTreeItem *make_new()
    {
        DSegTreeItem *nx = new DSegTreeItem({0, 0, nullptr, nullptr});
        nodes.push_back(nx);
        return nodes.back();
    }
    int size;
    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();
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 19 ms 11048 KB Output is correct
5 Correct 25 ms 13428 KB Output is correct
6 Correct 22 ms 12852 KB Output is correct
7 Correct 25 ms 13364 KB Output is correct
8 Correct 182 ms 101788 KB Output is correct
9 Correct 381 ms 177164 KB Output is correct
10 Correct 458 ms 195936 KB Output is correct
11 Correct 464 ms 210692 KB Output is correct
12 Correct 398 ms 217052 KB Output is correct
13 Runtime error 407 ms 262148 KB Execution killed with signal 9
14 Halted 0 ms 0 KB -