제출 #249788

#제출 시각아이디문제언어결과실행 시간메모리
249788eohomegrownapps코끼리 (Dancing Elephants) (IOI11_elephants)C++14
26 / 100
9035 ms1656 KiB
#include "elephants.h" #include <bits/stdc++.h> using namespace std; int n,l; set<int> elephants; vector<int> elpos; void init(int N, int L, int X[]) { n=N;l=L; elpos.resize(n); for (int i = 0; i<n; i++){ elpos[i]=X[i]; elephants.insert(X[i]); } } int update(int i, int y) { elephants.erase(elpos[i]); elpos[i]=y; elephants.insert(y); int ptr = 0; auto it = elephants.begin(); while (it!=elephants.end()){ ptr++; it = elephants.upper_bound(*it+l); } return ptr; }
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