#include <iostream>
#include <math.h>
#include <cstring>

#define _USE_MATH_DEFINES

using namespace std;

float float_rand(float min, float max)
{

    float scale = rand() / (float)RAND_MAX; /* [0, 1.0] */
    return min + scale * (max - min);      /* [min, max] */
}

float * return_solution_list(int number_of_solution, float min_value, float max_value){
    float* solutions = static_cast<float *>(malloc(sizeof(float) * number_of_solution));
    for (int i = 0; i < number_of_solution; ++i) {
        solutions[i] = float_rand(min_value,max_value);
    }
    return solutions;
}

float rastigin_function(float* solution, int dimension){
    float response = 0.00;
    response = 10*dimension;
    for (int i = 0; i <dimension ; ++i) {
        response += solution[i]*solution[i] - 10*cos(M_PI*2*solution[i]);
    }
    return response;
}

int main() {
    float m,M;
    int solution;
    cout<< "enter number of solution: ";
    cin >> solution;
    cout<< "enter minim value: ";
    cin >> m;
    cout<< "enter maxim value: ";
    cin >> M;
    float * sol = return_solution_list(solution,m,M);
    cout<< "Soul: " << rastigin_function(sol, solution);
    return 0;
}