Submission #1109905

#	Time	Username	Problem	Language	Result	Execution time	Memory
1109905		ozner77	Rice Hub (IOI11_ricehub)	C++17	100 / 100	12 ms	4176 KiB

ricehub

#include <bits/stdc++.h>
using namespace std;
int besthub(int R,int L,int X[],long long B){
    vector<long long> p(R+1,0);
    for(int i=0;i<R;i++){
        p[i+1]=p[i]+X[i];
    }
    long long ri=0,res=1;
    for(int le=0;le<R;le++){
        while(ri<R){
            long long mid=(le+ri+1)/2,q=0;
            if((le+ri+1)%2!=0){
                q-=X[mid];
            }
            q-=p[mid]-p[le];
            q+=p[ri+1]-p[mid];
            if(q>B){
                break;
            }
            ri++;
        }
        res=max(res,ri-le);
        if(ri==R){
            break;
        }
    }
    return res;
}

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