本文整理汇总了C++中Customer::ptime方法的典型用法代码示例。如果您正苦于以下问题：C++ Customer::ptime方法的具体用法？C++ Customer::ptime怎么用？C++ Customer::ptime使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Customer的用法示例。
在下文中一共展示了Customer::ptime方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: task_06
void task_06() // let it be kind a main func
{
// setting things up
std::srand(std::time(0)); // random initializing of rand()
cout << "Case Study: Bank of Heather Automatic Teller\n";
cout << "Enter maximum size of queue: ";
int qs;
cin >> qs;
queue<Customer> line; // line queue holds up to qs people
cout << "Enter the number of simulation hours: ";
int hours; // hours of simulation
cin >> hours;
// simulation will run 1 cycle per minute
long cyclelimit = MIN_PER_HR * hours; // # of cycles
cout << "Enter the average number of customers per hour: ";
double perhour; // average # of arrival per hour
cin >> perhour;
double min_per_cust; // average time between arrivals
min_per_cust = MIN_PER_HR / perhour;
Customer temp; // new customer data
long turnaways = 0; // turned away by full queue
long customers = 0; // joined the queue
long served = 0; // served during the simulation
long sum_line = 0; // cumulative line length
int wait_time = 0; // time until autoteller is free
long line_wait = 0; // cumulative time in line
// running the simulation
for (int cycle = 0; cycle < cyclelimit; cycle++)
{
if (newcustomer(min_per_cust)) // have newcomer
{
if (line.size() == qs)
turnaways++;
else
{
customers++;
temp.set(cycle); // cycle = time of arrival
line.push(temp); // add newcomer to line
}
}
if (wait_time <= 0 && !line.empty())
{
temp = line.front(); // attend next customer
line.pop();
wait_time = temp.ptime(); // for wait_time minutes
line_wait += cycle - temp.when();
served++;
}
if (wait_time > 0)
wait_time--;
sum_line += line.size();
}
// reporting results
if (customers > 0)
{
cout << "customers accepted: " << customers << endl;
cout << " customers served: " << served << endl;
cout << " turnaways: " << turnaways << endl;
cout << "average queue size: ";
cout.precision(2);
cout.setf(ios_base::fixed, ios_base::floatfield);
cout << (double) sum_line / cyclelimit << endl;
cout << " average wait time: "
<< (double) line_wait / served << " minutes\n";
}
else
cout << "No customers!\n";
cout << "Done!\n";
}