Submission #706873

# Submission time Handle Problem Language Result Execution time Memory
706873 2023-03-08T02:26:07 Z nhuang685 Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
455 ms 262144 KB
/**
 * @author nhuang685
 * @date 2023-03-05 19:26:54
 */
#include <bits/stdc++.h>

using namespace std;

using ll = long long;

template <class OP>
class LazySegmentTree {
 private:
  using T = typename decay<decltype(OP::ID)>::type;
  using st2 = int;

  st2 sz;
  struct Node {
    T val, la = 0, ls = OP::ID2;
    // st2 ind;
    int l = -1, r = -1;
    Node() : val(OP::ID) {}
    Node(T _val) : val(_val) {}
  };
  vector<Node> data;

  void push(int ind, st2 l, st2 r) {
    assert(ind != -1);
    if (l != r) {
      if (data[ind].l == -1) {
        data.push_back(Node());
        data[ind].l = (int)data.size() - 1;
      }
      if (data[ind].r == -1) {
        data.push_back(Node());
        data[ind].r = (int)data.size() - 1;
      }
    }
    if (data[ind].ls == OP::ID2 && data[ind].la == 0) return;
    if (data[ind].ls == OP::ID2) {
      if (data[ind].la == 0) return;
      data[ind].val += OP::all(l, r, data[ind].la);
      if (l != r) {
        data[data[ind].l].la += data[ind].la;
        data[data[ind].r].la += data[ind].la;
      }
      data[ind].la = 0;
    } else {
      data[ind].ls += data[ind].la;
      data[ind].la = 0;

      data[ind].val = OP::all(l, r, data[ind].ls);
      if (l != r) {
        data[data[ind].l].ls = data[ind].ls;
        data[data[ind].l].la = 0;
        data[data[ind].r].ls = data[ind].ls;
        data[data[ind].r].la = 0;
      }
      data[ind].ls = OP::ID2;
    }
  }
  void pull(int i) {
    data[i].val = OP::comb((data[i].l == -1) ? OP::ID : data[data[i].l].val,
                           (data[i].r == -1) ? OP::ID : data[data[i].r].val);
  }

  void modify(st2 a, st2 b, T v, bool add, int ind, st2 l, st2 r) {
    assert(ind != -1);
    push(ind, l, r);
    if (r < a || b < l) return;
    if (a <= l && r <= b) {
      if (add)
        data[ind].la += v;
      else
        data[ind].ls = v;
      push(ind, l, r);
      return;
    }

    st2 mid = (l + r) / 2;
    modify(a, b, v, add, data[ind].l, l, mid);
    modify(a, b, v, add, data[ind].r, mid + 1, r);
    pull(ind);
  }
  T query(st2 a, st2 b, int ind, st2 l, st2 r) {
    push(ind, l, r);
    if (r < a || b < l) return OP::ID;
    if (a <= l && r <= b) return data[ind].val;

    st2 mid = (l + r) / 2;
    return OP::comb(query(a, b, data[ind].l, l, mid),
                    query(a, b, data[ind].r, mid + 1, r));
  }

 public:
  LazySegmentTree() {}
  LazySegmentTree(st2 _sz) {
    sz = 1;
    while (sz < _sz) sz *= 2;
    data.reserve(64 * 123456);
    data.push_back(Node());
  }
  LazySegmentTree(const vector<T> &arr) {
    sz = 1;
    while (sz < (st2)arr.size()) sz *= 2;

    auto build = [&](auto &self, st2 l, st2 r) -> int {
      if (l == r) {
        data.push_back(Node(arr[l]));
        return (int)data.size() - 1;
      }

      data.push_back(Node());
      int ind = (int)data.size() - 1;

      st2 mid = (l + r) / 2;
      auto tmp = self(self, l, mid);
      data[ind].l = tmp;
      if ((st2)arr.size() - 1 >= mid + 1) {
        tmp = self(self, mid + 1, r);
        data[ind].r = tmp;
      }
      pull(ind);
      return ind;
    };
    build(build, 0, sz - 1);
  }

  void set(st2 a, st2 b, T v) { modify(a, b, v, false, 0, 0, sz - 1); }
  void set(st2 i, T v) { modify(i, i, v, false, 0, 0, sz - 1); }
  void add(st2 a, st2 b, T v) { modify(a, b, v, true, 0, 0, sz - 1); }
  void add(st2 i, T v) { modify(i, i, v, true, 0, 0, sz - 1); }
  T query(st2 a, st2 b) { return query(a, b, 0, 0, sz - 1); }
};
template <class T>
struct Add {
  static constexpr T ID = 0, ID2 = -1;  // change ID2 as needed
  static T comb(T a, T b) { return a + b; }
  template <class U>
  static T all([[maybe_unused]] U l, [[maybe_unused]] U r, T v) {
    return (r - l + 1) * v;
  }
};
template <class T>
using Seg = LazySegmentTree<Add<T>>;

int main() {
  ios::sync_with_stdio(false);

#ifdef LOCAL
  // freopen("input.txt", "r", stdin);
  freopen("output.txt", "w", stdout);
  freopen("log.txt", "w", stderr);
#else
  cin.tie(nullptr);
#endif

  Seg<int> seg((ll)1e9 + 1);

  int M;
  cin >> M;
  ll C = 0;
  while (M--) {
    int D;
    ll X, Y;
    cin >> D >> X >> Y;
    if (D == 1)
      cout << (C = seg.query(X + C, Y + C)) << '\n';
    else
      seg.set(X + C, Y + C, 1);
  }
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 17 ms 3872 KB Output is correct
5 Correct 22 ms 4520 KB Output is correct
6 Correct 20 ms 4356 KB Output is correct
7 Correct 19 ms 4556 KB Output is correct
8 Correct 134 ms 33160 KB Output is correct
9 Correct 286 ms 55124 KB Output is correct
10 Correct 298 ms 63204 KB Output is correct
11 Correct 304 ms 68436 KB Output is correct
12 Correct 307 ms 70800 KB Output is correct
13 Correct 305 ms 86908 KB Output is correct
14 Correct 297 ms 87752 KB Output is correct
15 Runtime error 455 ms 262144 KB Execution killed with signal 9
16 Halted 0 ms 0 KB -