formatting source-code for 153fb7b8a5

data_structure/queue_using_array.cpp

@@ -10,15 +10,13 @@
 
 #define MAXSIZE 10
 
-class Queue_Array
-{
+class Queue_Array {
     int front;
     int rear;
     int size;
 
  public:
-    Queue_Array()
-    {
+    Queue_Array() {
         front = -1;
         rear = -1;
         size = MAXSIZE;
@@ -29,59 +27,42 @@ class Queue_Array
     void display();
 };
 
-void Queue_Array::enqueue(int ele)
-{
-    if (rear == size - 1)
-    {
+void Queue_Array::enqueue(int ele) {
+    if (rear == size - 1) {
         std::cout << "\nStack is full";
-    }
-    else if (front == -1 && rear == -1)
-    {
+    } else if (front == -1 && rear == -1) {
         front = rear = 0;
         arr[rear] = ele;
-    }
-    else if (rear < size)
-    {
+    } else if (rear < size) {
         rear++;
         arr[rear] = ele;
     }
 }
 
-int Queue_Array::dequeue()
-{
+int Queue_Array::dequeue() {
     int d;
-    if (front == -1)
-    {
+    if (front == -1) {
         std::cout << "\nstack is empty ";
         return 0;
-    }
-    else if (front == rear)
-    {
+    } else if (front == rear) {
         d = arr[front];
         front = rear = -1;
-    }
-    else
-    {
+    } else {
         d = arr[front++];
     }
 
     return d;
 }
 
-void Queue_Array::display()
-{
-    if (front == -1)
-    {
+void Queue_Array::display() {
+    if (front == -1) {
         std::cout << "\nStack is empty";
-    }
-    else
-    {
+    } else {
         for (int i = front; i <= rear; i++) std::cout << arr[i] << " ";
     }
 }
 
-int main()
-{
+int main() {
     int op, data;
 
     Queue_Array ob;
@@ -90,31 +71,21 @@ int main()
     std::cout << "\n2. dequeue(Deletion)";
     std::cout << "\n3. Display";
     std::cout << "\n4. Exit";
-    while (1)
-    {
+    while (1) {
         std::cout << "\nEnter your choice ";
         std::cin >> op;
-        if (op == 1)
-        {
+        if (op == 1) {
             std::cout << "Enter data  ";
             std::cin >> data;
             ob.enqueue(data);
-        }
-        else if (op == 2)
-        {
+        } else if (op == 2) {
             data = ob.dequeue();
             std::cout << "\ndequeue element is:\t" << data;
-        }
-        else if (op == 3)
-        {
+        } else if (op == 3) {
             ob.display();
-        }
-        else if (op == 4)
-        {
+        } else if (op == 4) {
             exit(0);
-        }
-        else
-        {
+        } else {
             std::cout << "\nWrong choice ";
         }
     }