1030. 完美数列(25)

/*
firstly: sort the array using the algorithm "sort"
secondly: traverse all the possible answer and find the most suitable one.
*/
#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;

int main()
{
    long long int n,p;
    vector<long long int> v;
    while (cin>>n>>p)
    {
        long long int temp;
        while (n--)
        {
            cin>>temp;
            v.push_back(temp);
        }
        sort(v.begin(),v.end());
        long long int max = -1;
        for (int i = 0; i < v.size(); i++)
        {
            long long int count = 1;
            for (int j = i + 1; j < v.size(); j++)
            {
                if (v[i] * p >= v[j])
                    count += 1;
                else break;
            }
            if (count >= max)
            {
                max = count ;
            }
        }
        cout<<max<<endl;
    }
}