Ошибка "‘randomize’ was not declared in this scope"

#pragma hdrstop
#include <iostream>
#include <math>
 
#define MAX_SIZE 50
 
using namespace std;
 
//---------------------------------------------------------------------------
 
#pragma argsused
int main(int argc, char* argv[])
{
 double mass[MAX_SIZE],N; int Size,count;
 
 randomize();
 count = 0;
 
 cout << "VVedite razmer masiva = ";
 cin >> Size;
 cout << "Vvedite chislo = ";
 cin >> N;
 
 for(int i = 0; i < Size;i++)
  {
   mass[i] = pow(-1,i)*(rand() % 10 + 1) / double((rand() % 10 + 1));
    if(mass[i] < N)
     {
      count++;
     }
  }
 for(int i = 0; i < Size;i++)
  {
   cout << "mass[" << i <<"]= " << mass[i] << endl;
  }
 cout << "Kol-tvo elementov < " << N << " = " << count << endl;
 system("pause");
 
 return 0;
}

#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <ctime>   
#include <cmath>
 
#define MAX_SIZE 50
 
using namespace std;
 
//---------------------------------------------------------------------------
 
 
int main()
{
 double mass[MAX_SIZE],N; int Size,count;
    
 const auto seed = static_cast<unsigned>(time(nullptr));
 srand(seed);
 count = 0;
 
 cout << "VVedite razmer masiva = ";
 cin >> Size;
 cout << "Vvedite chislo = ";
 cin >> N;
 
 for(int i = 0; i < Size;i++)
  {
   mass[i] = pow(-1,i)*(rand() % 10 + 1) / double((rand() % 10 + 1));
    if(mass[i] < N)
     {
      count++;
     }
  }
 for(int i = 0; i < Size;i++)
  {
   cout << "mass[" << i <<"]= " << mass[i] << endl;
  }
 cout << "Kol-tvo elementov < " << N << " = " << count << endl;
 
}

#include <cstdlib>
#include <time.h>