12. Queue/QueueUsingStacks.cpp
int pop2()  
{  
   int element = stack2[top2];  // assigning the topmost value to element  
   top2--;  // decrement the value of top2  
   return element;  
}
// Removing the elements from the Stack2  
Removing the elements from the Stack2
Removing the elements from the Stack2
int pop2()  
{  
   int element = stack2[top2];  
   top2--;  
   return element;  
}
int pop2 ( ) { int element = stack2 [ top2 ] ; top2 -- ; return element ; }
Removing the elements from the Stack2
Removing the elements from the Stack2
// assigning the topmost value to element   // decrement the value of top2  