Submission #31243

#	Time	Username	Problem	Language	Result	Execution time	Memory
31243		14kg	Rice Hub (IOI11_ricehub)	C++11	100 / 100	29 ms	5020 KiB

ricehub

#include "ricehub.h"
#define f(x,y) (long long)(in[y+1]-in[(x+y)/2+1-(y-x+1)%2])

int besthub(int n, int max_L, int in[], long long B){
    int x=0, y=0, out=0;
    long long sum=0;

    while(x<n){
        while(y+1<n && sum+f(x,y)<=B) sum+=f(x,y), y++;
        out=out>y-x+1?out:y-x+1;
        sum-=(long long)(in[(x+y)/2+1-(y-x+1)%2]-in[x]), x++;
    } return out;
}

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