제출 #641078

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
641078	2022-09-16 00:35:24	ymm	이상한 기계 (APIO19_strange_device)	C++17	10 / 100	1378 ms	19960 KiB

strange_device

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#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;
set<pll> s;
void add(ll l, ll r)
{
  auto it = s.lower_bound(pll{l, -1});
  if (it != s.begin()) {
    --it;
    if (it->second >= l) {
      l = it->first;
      s.erase(it++);
    } else {
      ++it;
    }
  }
  while (it != s.end() && r >= it->first) {
    r = max(r, it->second);
    s.erase(it++);
  }
  s.insert({l, r});
}
int main()
 
 
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