제출 #916113

#제출 시각아이디문제언어결과실행 시간메모리
916113JakobZorzDancing Elephants (IOI11_elephants)C++17
50 / 100
9030 ms9176 KiB
#include"elephants.h" #include<vector> #include<algorithm> using namespace std; int n,l; int pos[150000]; vector<int>arr; void init(int N,int L,int X[]){ n=N; l=L; for(int i=0;i<n;i++){ pos[i]=X[i]; arr.push_back(X[i]); } sort(arr.begin(),arr.end()); } int update(int i,int y){ auto it=lower_bound(arr.begin(),arr.end(),pos[i]); arr.erase(it); pos[i]=y; it=upper_bound(arr.begin(),arr.end(),pos[i]); arr.insert(it,y); int res=0; int pos=-1; for(int i=0;i<n;i++){ if(arr[i]>pos){ res++; pos=arr[i]+l; } } return res; }
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