Simulation program queuesystem
Hi! Im having problem with My code where i can't enter the last if.
This simulates a queuesystem.
Are My calculations right?
Seems like everything becomes 0 in size and servicetime...
Help!
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#include <iostream>
#include <cstdlib>
#include <list>
#include <ctime>
#include <time.h>
#include <stdlib.h>
#include<windows.h>
using namespace std;
class Customer
{
public:
int servicet;
int served;
Customer()
{
servicet= rand()%150+30;
}
int getServicetime()
{
return servicet;
}
int getServed()
{
return served;
}
int decreaseServeTime()
{
servicet --;
}
};
int totServed=0;
int queues=0;
int inLine=0;
int totTime=0;
int smallestQueue=0;
int temp=0;
int ran=0;
double mean=0;
int served=0;
int serviceTime=0;
int help=0;
int sim=0;
int n=0;
using namespace std;
int main()
{
cout<<"Number of Cashiers?: "<<endl;
cin >> queues;
cout <<"How long simulation?: "<<endl;
cin >> sim;
cout <<endl;
list<Customer> *cashiers[queues];
list<Customer> *cust;
for(int i=0; i<=queues; i++)
{
cust = new list<Customer>;
cashiers[i] = cust;
}
srand(time(0));
while(n<sim)
{
Sleep(2000);
ran= rand()%4;
smallestQueue = cashiers[0] ->size();
for(int j=0; j<ran; j++)
{
for(int k=0; k<queues; k++)
{
temp = cashiers[k]->size();
if(temp<=smallestQueue)
{
smallestQueue = temp;
help=k;
}
}
Customer C;
cashiers[help]->push_back(C);
inLine++;
}
for(int i=0; i<queues; i++)
{
if(serviceTime>0)
{
serviceTime = cashiers[i]->front().getServicetime();
cashiers[i]->front().decreaseServeTime();
}
else if(serviceTime==0)
{
if(cashiers[i]->size()!=0){
cashiers[i]->pop_front();
served++;
}
}
}
totTime++;
int cash=1;
for(int i=0; i<queues; i++)
{
inLine = cashiers[i]->size();
if(inLine!=0)
{
cout <<"Kassa: "<<cash<<endl;
mean = (totTime/inLine);
totServed +=served;
cash++;
}
cout <<"In this line: "<<inLine<<" \nMean time this line: "<<mean<<" \nAll served: "<<totServed;
}
cout <<endl;
cout <<endl;
cout <<"Total time: "<<totTime;
cout <<endl;
cout <<endl;
n++;
}
system("pause");
}
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