제출 #942463

#제출 시각아이디문제언어결과실행 시간메모리
942463dsyzAdvertisement 2 (JOI23_ho_t2)C++17
100 / 100
124 ms24800 KiB
#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; cin>>N; pair<ll,ll> arr[N]; for(ll i = 0;i < N;i++){ cin>>arr[i].first>>arr[i].second; } sort(arr,arr + N); stack<pair<ll,ll> > st; for(ll i = 0;i < N;i++){ while(!st.empty() && abs(arr[i].first - st.top().first) <= arr[i].second - st.top().second){ st.pop(); } if(st.empty() || (abs(arr[i].first - st.top().first) > arr[i].second - st.top().second && abs(st.top().first - arr[i].first) > st.top().second - arr[i].second)){ st.push(arr[i]); } } cout<<st.size()<<'\n'; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...