несовместимость циклов в коде

#include <iostream>
#include <time.h>
#include <math.h>
#include <stdlib.h>
#include <Windows.h>
using namespace std;
int n;
int t;
int T;
int s;
int p;
int sum;
int d;
int i;
int j;
class times
{
public:
void hour()
 
   {
time_t rawtime;
  //struct tm * timeinfo; 
  time( &rawtime );
  //timeinfo = localtime( &rawtime );
  s = localtime( &rawtime ) -> tm_hour;
  d = localtime( &rawtime )-> tm_min;
   }
};
 
class temp
{
public:
void temperature()
 
   {
 
srand (unsigned (time(0)));
t = 23 + rand() % 6;
cout << "t = "  << t << endl;
   }
};
class internalsensor
{
public:
void internal()
 
   {
cout << "\ninternal sensor \n" << endl;
 
cout << "T = "  << T << endl;
   }
};
class externalsensor
{
public:
void external()
 
   {
cout << "\nexternal sensor \n" << endl;
temp mytemp;
mytemp.temperature();
   }
};
 
class consumable
{
public:
void energy()
   {
p = 1000;
sum = s*p;
   }
};
 
class radiator
{
public:
void heat()
   {
cout << "\nradiator "<< endl;
 
if ( t >= 22 & T >= 22 )
cout << "turn off" << endl;
 
else
cout  << "turn on" << endl;
   }
};
class conditioner
{
public:
void cold1()
   {
cout << "\nconditioner \n" << "p = " << p << " Vt" << endl;
 
if ( t >= 26 & 0 <= s <= 8 & sum <= 5000)
cout << "turn on" << endl;
 
else
cout  << "turn off" << endl;
   }
};
class fan
{
public:
void cold2()
   {
cout << "\nfan "<< endl;
 
if ( t >= 23 & 9 <= s <= 19 || sum > 5000)
cout << "turn on\n" << endl;
 
else
cout  << "turn off\n" << endl;
   }
};
int main()
{
for (i = 0; i <= 25 - s; i++)
    {
 
    times mytimes;
    mytimes.hour();
 
        s = s + i;
 
    if (s >= 23)
    i = i - 24;
 
 
    cout << "time = " << s << " hour " << d << " min\n" << endl;
 
    consumable myconsumable;
    myconsumable.energy();
 
    internalsensor myinternalsensor;
    for (n = 0; n >= 0; n++);
    {
    T = 20 + n/2 + sqrt(n);
    if (n >= 3)
    n = n - 3;
    }
    myinternalsensor.internal();
 
    externalsensor myexternalsensor;
    myexternalsensor.external();
 
    radiator myradiator;
    myradiator.heat();
 
    conditioner myconditioner;
    myconditioner.cold1();
 
    fan myfan;
    myfan.cold2();
    srand (unsigned (time(0)));
    Sleep(5000);
    }
    return 0;
}