제출 #116613

#제출 시각아이디문제언어결과실행 시간메모리
116613dragonslayerit코끼리 (Dancing Elephants) (IOI11_elephants)C++14
50 / 100
9072 ms3576 KiB
#include "elephants.h" #include <vector> #include <algorithm> const int INF=1e9+7; int xs[100005]; int ys[100005]; int n; int l; void init(int N, int L, int X[]) { n=N; l=L; for(int i=0;i<N;i++){ xs[i]=ys[i]=X[i]; } } int update(int index, int new_val) { for(int i=0;i<n;i++){ if(ys[i]==xs[index]){ while(i>0&&ys[i-1]>new_val){ ys[i]=ys[i-1]; i--; } while(i+1<n&&ys[i+1]<new_val){ ys[i]=ys[i+1]; i++; } ys[i]=new_val; break; } } xs[index]=new_val; int far=-INF; int cnt=0; for(int i=0;i<n;i++){ if(ys[i]>far){ far=ys[i]+l; cnt++; } } return cnt; }
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