Странная последовательность

#include <iostream>
#include <vector>
#include <cmath>
 
void resolve(std::vector<int>& cubes, int& result)
{
    int count  = 0;
    for (int i = 1; i < cubes.size(); ++i)
    {
        if ( std::abs(cubes[i - 1] - cubes[i]) > 1 )
        {
            ++count;
            if (cubes[i - 1] < cubes[i]) cubes[i] -= 1;
            else cubes[i - 1] -= 1;
        }
    }
    if (count != 0)
    {
        result += count;
        resolve(cubes, result);
    }
}
 
int main()
{
    int result = 0;
    int turrents = 0;
    std::cin >> turrents;
    std::vector <int> cubes;
    cubes.resize(turrents);
    for (int i = 0; i < turrents; ++i)
        std::cin >> cubes[i];
 
    resolve(cubes, result);
    std::cout << result;
     return 0;
}

#include <ctime>
#include <vector>
#include <iostream>
using namespace std;
 
void resolve(vector<int>& values, vector<int>& reduce){
    for( size_t elem = 0; elem < values.size(); elem++ )
        if( elem )
        {
            reduce.push_back(values[elem] - values[elem - 1] - 1);
            values[elem] -= reduce[elem];
        }
        else
            reduce.push_back(0);
}
 
void show(vector<int>& values){
    for( size_t elem = 0; elem < values.size(); elem++ )
        cout<<values[elem]<<" ";
    cout<<endl;
}
 
int main(){
    srand(time(0));
    vector<int> values;
    vector<int> reduce;
    for( size_t elem = 0; elem < 15; elem++ )
           values.push_back(rand() % 30 - 15);
    cout<<"INPUT : "<<endl;
    show(values);
    resolve(values, reduce);
    cout<<"OUTPUT : "<<endl;
    show(values);
    cout<<"REDUCE : "<<endl;
    show(reduce);
    return 0;
}

#include <ctime>
#include <vector>
#include <iostream>
using namespace std;
 
void resolve(vector<int>& values, vector<int>& reduce){
    for( size_t elem = 0; elem < values.size(); elem++ )
        if( elem )
        {
            if( values[elem] > values[elem - 1] )
            reduce.push_back(values[elem] - values[elem - 1] - 1);
            else
            reduce.push_back(values[elem] - values[elem - 1] + 1);
            values[elem] -= reduce[elem];
        }
        else
            reduce.push_back(0);
}
 
void show(vector<int>& values){
    for( size_t elem = 0; elem < values.size(); elem++ )
        cout<<values[elem]<<" ";
    cout<<endl;
}
 
int main(){
    srand(time(0));
    vector<int> values;
    vector<int> reduce;
    for( size_t elem = 0; elem < 15; elem++ )
           values.push_back(rand() % 30 - 15);
    cout<<"INPUT : "<<endl;
    show(values);
    resolve(values, reduce);
    cout<<"OUTPUT : "<<endl;
    show(values);
    cout<<"REDUCE : "<<endl;
    show(reduce);
    return 0;
}

if( values[elem] > values[elem - 1] )
            reduce.push_back(values[elem] - values[elem - 1] - 1);
            else
            reduce.push_back(values[elem] - values[elem - 1] + 1);