Submission #330284

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
330284	2020-11-24 12:44:39	dolphingarlic	Matryoshka (JOI16_matryoshka)	C++14	100 / 100	643 ms	133484 KiB

matryoshka

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
struct Node {
  int l, r, val;
  Node *lc, *rc;
  Node(int L, int R): l(L), r(R), val(0), lc(nullptr), rc(nullptr) {}
  void update(int p, int v) {
    val = max(val, v);
    if (l != r) {
      int mid = (l + r) / 2;
      if (p > mid) {
        if (!rc) rc = new Node(mid + 1, r);
        rc->update(p, v);
      } else {
        if (!lc) lc = new Node(l, mid);
        lc->update(p, v); 
      }
    }
  }
  int query(int a, int b) {
    if (r < a || l > b) return 0;
    if (r <= b && l >= a) return val;
    int ret = 0;
    if (lc) ret = max(ret, lc->query(a, b));
    if (rc) ret = max(ret, rc->query(a, b));
 
 
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Compilation message (stderr)

matryoshka.cpp: In function 'int main()':
matryoshka.cpp:58:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |   if (lis[i] == dp.size()) dp.push_back(-doll[i].second);
      |       ~~~~~~~^~~~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 15 / 15
• Subtask 3: 25 / 25
• Subtask 4: 49 / 49