ConvertendoInteiroParaDouble_static_cast

 #include <iostream>
 #include <stdlib.h>
 #include <stdio.h>
 #include  <windows.h>
 using namespace std;
  int account(){
    int i;
      for ( i = 0;i<500;)
          i++;
          return i++;
  }
int main()
 {   // Parece que covertir um x inteiro para double;
      char r;
      int x;
      int y = 10;
      double cast;
      const     char n [4] = {'S','s','N','n'};
      cout<<"Digite o valor do seu dinheiro"<<endl;
      cin>>x;
      cout<<"Voce recebeu +10? S/N"<<endl;
      cin>>r;
      if( r == n[1] || r == n[2]){

      //cast = static_cast <double>(x) + y + account() + system("color 2"); Existe essa maneira de  calcular;
      cast = static_cast <double>(x);
      cout<<cast<<endl;

      }

     return false;
}