Submission #869303

# Submission time Handle Problem Language Result Execution time Memory
869303 2023-11-04T01:55:14 Z nima_aryan Monkey and Apple-trees (IZhO12_apple) C++17
0 / 100
217 ms 184792 KB
/**
 *    author:  NimaAryan
 *    created: 2023-11-04 02:46:41  
**/
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "algo/debug.h"
#endif

using i64 = long long;

template <class Info, class Tag>
class SparseLazySegmentTree {
 public:
  vector<Info> info;
  vector<Tag> tag;
  int n;

  struct Node {
    int left = -1, right = -1;
  };
  vector<Node> nodes;
  
  int num = 0;
  void make_childs(int p) {
    if (nodes[p].left == -1) {
      nodes[p].left = ++num;
    }
    if (nodes[p].right == -1) {
      nodes[p].right = ++num;
    }
  }

  SparseLazySegmentTree(int n, int q) : n(n) {
    int m = 2 * __lg(n) * q;
    info.resize(m), tag.resize(m);
    nodes.resize(m);
  }

  void pull(int p) {
    info[p] = info[nodes[p].left] + info[nodes[p].right];
  }
  void apply(int p, int l, int r, const Tag& v) {
    make_childs(p);
    info[p].apply(l, r, v);
    tag[p].apply(v);
  }
  void push(int p, int l, int r) {
    make_childs(p);
    int m = (l + r) / 2;
    apply(nodes[p].left, l, m, tag[p]);
    apply(nodes[p].right, m, r, tag[p]);
    tag[p] = Tag();
  }

  void modify(int p, int l, int r, int x, const Info& v) {
    make_childs(p);
    if (r - l == 1) {
      info[p] = v;
      return;
    }
    push(p, l, r);
    int m = (l + r) / 2;
    if (x < m) {
      modify(2 * p, l, m, x, v);
    } else {
      modify(2 * p + 1, m, r, x, v);
    }
    pull(p);
  }
  void modify(int x, const Info& v) {
    modify(0, 0, n, x, v);
  }

  void RangeApply(int p, int l, int r, int lx, int rx, const Tag& v) {
    make_childs(p);
    if (l >= rx || r <= lx) {
      return;
    }
    if (l >= lx && r <= rx) {
      apply(p, l, r, v);
      return;
    }
    push(p, l, r);
    int m = (l + r) / 2;
    RangeApply(nodes[p].left, l, m, lx, rx, v);
    RangeApply(nodes[p].right, m, r, lx, rx, v);
    pull(p);
  }
  void RangeApply(int lx, int rx, const Tag& v) {
    RangeApply(0, 0, n, lx, rx, v);
  }

  Info RangeQuery(int p, int l, int r, int lx, int rx) {
    make_childs(p);
    if (l >= rx || r <= lx) {
      return Info();
    }
    if (l >= lx && r <= rx) {
      return info[p];
    }
    push(p, l, r);
    int m = (l + r) / 2;
    return RangeQuery(nodes[p].left, l, m, lx, rx) +
           RangeQuery(nodes[p].right, m, r, lx, rx);
  }
  Info RangeQuery(int lx, int rx) {
    return RangeQuery(0, 0, n, lx, rx);
  }
};

struct Tag {
  int ripen = 0;

  void apply(const Tag& v) {
    ripen |= v.ripen;
  }
};
struct Info {
  int sum = 0;

  void apply(int l, int r, const Tag& v) {
    if (v.ripen) {
      sum = r - l;
    }
  }
};
Info operator+(const Info& a, const Info& b) {
  return Info{a.sum + b.sum};
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  constexpr int N = 1E9, A = 1E7;

  int M;
  cin >> M;
  SparseLazySegmentTree<Info, Tag> seg(N + 1, M);

  int C = 0;
  while (M--) {
    int D, X, Y;
    cin >> D >> X >> Y;
    X += C, Y += C;

    if (D == 1) {
      int res = seg.RangeQuery(X, Y + 1).sum;
      cout << (C = res) << "\n";
    } else {
      seg.RangeApply(X, Y + 1, Tag{1});
    }
  }

  return 0;
}

Compilation message

apple.cpp: In function 'int main()':
apple.cpp:139:26: warning: unused variable 'A' [-Wunused-variable]
  139 |   constexpr int N = 1E9, A = 1E7;
      |                          ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 11 ms 7772 KB Output is correct
5 Correct 14 ms 9568 KB Output is correct
6 Correct 14 ms 9560 KB Output is correct
7 Correct 14 ms 9564 KB Output is correct
8 Correct 102 ms 46192 KB Output is correct
9 Correct 180 ms 91480 KB Output is correct
10 Correct 180 ms 91476 KB Output is correct
11 Correct 189 ms 91860 KB Output is correct
12 Correct 210 ms 91476 KB Output is correct
13 Correct 194 ms 91724 KB Output is correct
14 Correct 179 ms 91676 KB Output is correct
15 Runtime error 217 ms 184792 KB Execution killed with signal 11
16 Halted 0 ms 0 KB -