shell

#include <iostream>
#include <vector>

using namespace std;
int ks(0),kd(0);

void Shell(vector <int> v, int sz)
{
    ks = 0; kd = 0;
    cout << "Array: ";
    for(int i = 0; i < sz; ++i)
        cout << v[i] <<' ';
    cout << '\n';
    int d = sz / 3 + 1;
    while (true)
    {
        for (int i = d; i < sz; i++)
        {
            int key = v[i];
            int j = i - d;
            while (v[j] > key&& j >= 0)
            {
                ks++;
                v[j + d] = v[j];
                kd++;
                j -= d;
            }
            v[j + d] = key;
            kd++;
        }
        if (d == 1)
            break;
        d = d / 3 + 1;
    }
    cout << "Result: ";
    for (int i = 0; i < sz; ++i)
        cout << v[i] << ' ';
    cout << "\nSravnenii : " << ks << "\nDeistvii : " << kd << "\n\n";
}

int main()
{
   int sz;
   int a;
   vector<int> v;
   cin>>sz;
   while(cin>>a)
    v.push_back(a);
    cout<<v[a]<<' ';
    Shell(v,sz);
}