제출 #998047

#제출 시각아이디문제언어결과실행 시간메모리
998047PetrixRabbit Carrot (LMIO19_triusis)C++17
100 / 100
58 ms3884 KiB
#include<iostream> using namespace std; #define int long long int v[200001]; int n; int caut(int a){ int st,dr,mij,rasp=-1; st=0;dr=n; while(st<=dr){ mij=(st+dr)/2; if(v[mij]>a){ rasp=mij;dr=mij-1; }else st=mij+1; } return rasp; } signed main() { int d,max1=-1,a,i,aux; cin>>n>>d; for(i=0;i<=n;i++) v[i]=1e18; for(i=1;i<=n;i++){ cin>>a; a-=i*d; if(a>0) continue; a=-a; aux=caut(a); v[aux]=a;max1=max(max1,aux); } cout<<n-1-max1; return 0; }
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