Submission #388073

#	Time	Username	Problem	Language	Result	Execution time	Memory
388073		Pichon5	Rice Hub (IOI11_ricehub)	C++17	0 / 100	4 ms	460 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
#define vi vector<int>
#define pb push_back
#define ll long long int
using namespace std;
int besthub(int R, int L, int X[], long long B)
{
    vi v;
    int res=0;
    ll pref[R];
    pref[0]=X[0];
    for(int i=1;i<R;i++){
        pref[i]=pref[i-1]+X[i];
    }
    for(int i=0;i<R;i++){
        int b=i,e=R-1;
        while(b<=e){
            int mid=(b+e)/2;
            /*v.clear();
            for(int l=i;l<=mid;l++){
                v.pb(X[l]);
            }
            int MID=v.size()/2;
            ll aux=0;
            for(int l=0;l<v.size();l++){
                aux+=abs(v[l]-v[MID]);
            }*/
            //esto es para la parte de ariiba
            int MID=(i+mid)/2;
            ll aux=pref[mid];
            if(MID)aux-=pref[MID-1];
            aux-=(mid-MID+1)*X[MID];
            //y aqui para la parte de abajo
            if(MID){
                aux-=pref[MID-1];
                if(i)aux+=pref[i-1];
                aux+=(MID-i+1)*X[MID];
            }
            if(aux<=B){
                res=max(res,mid-i+1);
                b=mid+1;
            }else{
                e=mid-1;
            }
        }
    }
    return res;
}

• Subtask 1: 0 / 17
• Subtask 2: 0 / 25
• Subtask 3: 0 / 26
• Subtask 4: 0 / 32