제출 #942080

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
942080	2024-03-10 08:26:03	dsyz	Snowball (JOI21_ho_t2)	C++17	33 / 100	2574 ms	4024 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
int main() {
  ios_base::sync_with_stdio(false);cin.tie(0);
  ll N,Q;
  cin>>N>>Q;
  set<pair<ll,ll> > s; //stores ranges of 1s
  s.insert({-1e18,1e18});
  ll X[N];
  for(ll i = 0;i < N;i++){
    cin>>X[i];
  }
  ll ans[N];
  memset(ans,0,sizeof(ans));
  ll wind[Q];
  for(ll q = 0;q < Q;q++){
    cin>>wind[q];
    if(wind[q] > 0){ //blow right
      for(ll i = N - 1;i >= 0;i--){
        ll Lb = X[i], Rb = X[i] + wind[q] - 1;
        auto it = s.lower_bound({Lb,Rb});
        if(it != s.begin()){
          auto it2 = it;
          it2--;
          if(it2->second >= Rb){
            pair<ll,ll> tmp = *it2;
            s.erase(it2);
            if(tmp.first < Lb) s.insert({tmp.first,Lb - 1});
 
 
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• Subtask 1: 33 / 33
• Subtask 2: 0 / 67