Submission #963738

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
963738	2024-04-15 14:51:31	Soumya1	Treatment Project (JOI20_treatment)	C++17	100 / 100	326 ms	34924 KiB

treatment

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll inf = 1e18;
const int l2 = 2e9 + 10;
struct SegmentTree {
  int n;
  vector<pair<int, int>> t;
  vector<multiset<pair<int, int>>> mst;
  SegmentTree(int _n) {
    n = _n;
    t.assign(4 * n, {l2, l2});
    mst.resize(n + 1);
  }
  void update(int x, int lx, int rx, int i, pair<int, int> v, bool erase) {
    if (lx == rx) {
      if (erase) mst[lx].erase(mst[lx].find(v));
      else mst[lx].insert(v);
      if (mst[lx].empty()) t[x] = {l2, l2};
      else t[x] = *mst[lx].begin();
      return;
    }
    int mx = (lx + rx) >> 1;
    if (i <= mx) update(x << 1, lx, mx, i, v, erase);
    else update(x << 1 | 1, mx + 1, rx, i, v, erase);
    t[x] = min(t[x << 1], t[x << 1 | 1]);
  }
  pair<int, int> query(int x, int lx, int rx, int l, int r) {
    if (l > rx || lx > r || l > r) return {l2, l2};
    if (l <= lx && r >= rx) return t[x];
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 30 / 30
• Subtask 4: 61 / 61