#include #include struct Order $\{$ int queueNumber; std::string pizzaName; std::string customerName; $\}$; void displayOrders$($const std::vector& orders$)\{$ if $($orders$.$empty$())\{$ std::cout $<<"$No orders to display." $<<$ std::endl; return; $\}$ std::cout $<<$ "Queue Number$\backslash$tPizza Name$\backslash$tCustomer Name" $<<$ std::endl; for $($const auto& order : orders$)\{$ std::cout $<<$ order.queueNumber $<<"\backslash$t$\backslash$t$"<<$ order.pizzaName $<<"\backslash$t$\backslash$t$"<<$ order.customerName $<<$ std::endl; $\}\}$ int main$()\{$ std::vector orders; int option; do $\{$ std::cout $<<$ "Pizza Kitchen Display System" $<<$ std::endl; std::cout $<<"1.$ Display Orders" $<<$ std::endl; std::cout $<<"2.$ Add Order" $<<$ std::endl; std::cout $<<"3.$ Insert Pizza in Queue" $<<$ std::endl; std::cout $<<"4.$ Exit" $<<$ std::endl; std::cout $<<$ "Select an option: $"$; std::cin $>>$ option; switch $($option$)\{$ case $1$: displayOrders$($orders$)$; break; case $2$: $\{$ Order newOrder; std::cout $<<$ "Enter Queue Number: $"$; std::cin $>>$ newOrder.queueNumber; std::cout $<<$ "Enter Pizza Name: $"$; std::cin $>>$ newOrder.pizzaName; std::cout $<<$ "Enter Customer Name: $"$; std::cin $>>$ newOrder.customerName; orders.push$\_$back$($newOrder$)$; std::cout $<<$ "Order added successfully." $<<$ std::endl; break; $\}$ case $3$: $\{$ int position; Order newOrder; std::cout $<<$ "Enter Queue Number: $"$; std::cin $>>$ newOrder.queueNumber; std::cout $<<$ "Enter Pizza Name: $"$; std::cin $>>$ newOrder.pizzaName; std::cout $<<$ "Enter Customer Name: $"$; std::cin $>>$ newOrder.customerName; std::cout $<<$ "Enter Position to Insert: $"$; std::cin $>>$ position; if $($position $>=0$ && position $<=$ orders.size$())\{$ orders.insert$($orders$.$begin$()+$ position, newOrder$)$; std::cout $<<$ "Pizza inserted successfully." $<<$ std::endl; $\}$ else $\{$ std::cout $<<$ "Invalid position." $<<$ std::endl; $\}$ break; $\}$ case $4$: std::cout $<<$ "Exiting the program." $<<$ std::endl; break; default: std::cout $<<$ "Invalid option. Please try again." $<<$ std::endl; break; $\}$ std::cout $<<$ std::endl; $\}$ while $($option $!=4)$; return $0$; $\}$