From c849226cff8885a2f147a55e09bbb5dbcfec0804 Mon Sep 17 00:00:00 2001
From: Salman Siddiq <salmansiddiq566@gmail.com>
Date: Sun, 22 Oct 2023 12:38:52 +0500
Subject: [PATCH] Code for Emergency waiting room in cpp using queue

---
 Coding/waitingroom.cpp | 135 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 Coding/waitingroom.cpp

diff --git a/Coding/waitingroom.cpp b/Coding/waitingroom.cpp
new file mode 100644
index 0000000..36c8eca
--- /dev/null
+++ b/Coding/waitingroom.cpp
@@ -0,0 +1,135 @@
+
+/*This is an implementation of an emergency waiting room in an hospital 
+where patients are served on first come first serve basis.
+Implemented using queues.*/
+
+
+
+
+    #include<iostream>
+    #include<string>
+    #include<stdio.h>
+    #include <queue>
+
+    using namespace std;
+
+    class Patient{ //patient class to store information about patients
+
+    public:
+    int id;
+    string name;
+    };
+
+    class Waiting_Room{  //wating room class has functions to manage the pateints in the room
+
+    public:
+
+    static queue <Patient> Patients; 
+    static int id_gen;
+
+    void RegisterPatient(string);
+    void ServePatient();
+    void CancelAll();
+    bool CanDoctorGoHome();
+    void ShowAllPatient();
+
+    };
+
+    int Waiting_Room:: id_gen=1;
+    queue<Patient> Waiting_Room::Patients;
+
+
+    void Waiting_Room:: RegisterPatient(string _name){ //creatd patient objects and stores them in the patients queue
+    Patient newPatient;
+    newPatient.name=_name;
+    newPatient.id=id_gen++;
+    Patients.push(newPatient);
+    cout<<"Patient "<<newPatient.name<<" with ID: "<<newPatient.id<<" is Registered.\n";
+
+    }
+
+    void Waiting_Room:: ServePatient(){ //serves patients on the basis first come first serve
+        Patient temp=Patients.front();
+        cout<<"Patient "<<temp.name<<" with ID: "<<temp.id<<" is served.\n";
+        Patients.pop();
+    }
+    void Waiting_Room::CancelAll(){  //cancels all appointments
+        while(!Patients.empty()){
+            Patients.pop();//pops until empty
+        }
+        cout<<"\nAll apointments cancelled\n\n";
+    }
+
+    bool Waiting_Room::CanDoctorGoHome(){ //doctor goes home  if all patients served
+        if(Patients.empty())
+        {
+            cout<<"All patients served. Doctor can go home.\n\n";
+            return true;
+        }
+        else{
+            cout<<"Patients Remaining. Doctor cannot go home.\n\n";
+            return false;
+        }
+    }
+        void Waiting_Room::ShowAllPatient(){ //sorts patient records in alphabetical order
+        vector<Patient> tempRecord;
+        while(!Patients.empty()){
+            tempRecord.push_back(Patients.front());
+            Patients.pop();
+        }
+    //sort by alphabetical order
+        for (int i=0;i<tempRecord.size();i++){
+            for(int j=0;j<tempRecord.size();j++){
+                if (tempRecord[i].name<tempRecord[j].name){
+                    Patient temp;
+                    temp=tempRecord[j];
+                    tempRecord[j]=tempRecord[i];
+                    tempRecord[i]=temp;
+                }
+            }
+        }
+
+            // Display the sorted patient records
+        cout<<"\nSorted Rcords:\n\n";
+        for (int i = 0; i < tempRecord.size(); i++) {
+            cout << "Patient ID: " << tempRecord[i].id << ", Name: " << tempRecord[i].name << endl;
+        }
+        cout<<"\n\n";
+        //sort by ids to go back to original queue
+            for (int i=0;i<tempRecord.size();i++){
+            for(int j=0;j<tempRecord.size();j++){
+                if (tempRecord[i].id<tempRecord[j].id){
+                    Patient temp;
+                    temp=tempRecord[j];
+                    tempRecord[j]=tempRecord[i];
+                    tempRecord[i]=temp;
+                }
+            }
+        }
+    
+        //pushing it back into the Queue
+    
+        for (int i = 0; i < tempRecord.size(); i++) {
+            Patients.push(tempRecord[i]);
+        }
+    
+    }
+
+
+    int main(){
+        Waiting_Room r1;
+        r1.RegisterPatient("Ahmed");
+        r1.RegisterPatient("salman");
+        r1.RegisterPatient("basim");
+        r1.ShowAllPatient();
+        r1.ServePatient();
+        r1.CanDoctorGoHome();
+        r1.CancelAll();
+        r1.CanDoctorGoHome();
+       /* r1.ServePatient();
+   
+    r1.ServePatient();
+    
+   */
+
+    }