Submission #551667

#	Time	Username	Problem	Language	Result	Execution time	Memory
551667		ala2	Rice Hub (IOI11_ricehub)	C++14	68 / 100	416 ms	2144 KiB

ricehub

#include "ricehub.h"
#include <iostream>
using namespace std;
int n,d;
int a[1000100];
int b;
int f(int i,int j)
{
    int x=(i+j)/2;
    x=a[x];
    int g=0;
    for(int o=i;o<=j;o++)
        g+=abs(a[o]-x);
   return g;
}
int ok(int mid)
{
    for(int i=0;i<n;i++)
    {
        if(i+mid>=n)
            break;
        if(f(i,i+mid)<=b)
        {
            return 1;
        }
    }
    return 0;
}
int besthub(int R, int L, int X[], long long B)
{
    n=R;
    d=L;
    b=B;
    for(int i=0;i<n;i++)
        a[i]=X[i];
    int mx=1;
    int l=0;
    int r=n;
    while(r-l>1)
    {
        int mid=(l+r)/2;
        if(ok(mid))
        {
            l=mid;
        }
        else r=mid;
    }

    int ann=l+1;
    //cout<<mx<<endl;
    return ann;
}

Compilation message (stderr)

ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:36:9: warning: unused variable 'mx' [-Wunused-variable]
   36 |     int mx=1;
      |         ^~

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