Submission #693306

#	Time	Username	Problem	Language	Result	Execution time	Memory
693306		Ahmed57	Rice Hub (IOI11_ricehub)	C++14	100 / 100	17 ms	2508 KiB

ricehub

#include<bits/stdc++.h>
//#include "ricehub.h"
using namespace std;
int besthub(int R,int L,int X[],long long B){
    long long r =0 ;
    long long pref[R];
    pref[0] = X[0];
    for(int i = 1;i<R;i++){
        pref[i] = X[i]+pref[i-1];
    }
    long long ans = 0;
    for(int l= 0;l<R;l++){
        while(r<R){
            int mid=(l+r)/2;
            long long d = X[mid];
            long long e1 = pref[mid];
            if(l!=0)e1-=pref[l-1];
            e1 = (d*(mid-l+1))-e1;
            long long e2 = pref[r]-pref[mid];
            e2 = e2-(d*(r-mid));
            if(e1+e2<=B){
                r++;
            }else break;
        }
        ans = max(ans,r-l);
    }
    return ans;
}
/*int main(){
    vector<int>v = {1,2,10,12,14};
    cout<<besthub(5,20,v,6);
}*/

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 32 / 32