Consider the following sequence of operations on an empty stack: PUSH(Z), PUSH(W), PUSH(Y), PUSH(T), POP, POP, PUSH(B), PUSH(B), POP. What is the next element that would be popped off of the stack with another POP command? T (Ctrl) -
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- Create a collection. Along with GETMAX, MAXSTACK offers the ADT commands PUSH, POP, and EMPTYSTACK and performs similar operations to a standard linked stack. The GETMAX function keeps track of the largest stack member. Can the collection be constructed using GETMAX, which only requires O(1) time complexity? don't copy old bartleby answer it's wrongWhat values are returned during the following series of stack operations, if executed upon an initially empty stack? push(4), push(2), pop(), push(1), push(7), pop(), pop(), push(8), push(9), pop(), push(6), push(5), pop(), pop(), push(3), pop(), pop(). Group of answer choices a) 4, 2, 7, 9, 5, 3 b) 4, 2, 1, 7, 8, 9, 6, 5, 3 c) 2, 7, 1, 9, 5, 6, 3, 8A CapnStackSparrow is an extended stack that supports four main operations: the standard Stack operations push(x) and pop() and the following non-standard operations:• max(): returns the maximum value stored on the Stack.• ksum(k): returns the sum of the top k elements on the Stack.The zip file gives an implementation SlowSparrow that implements these operations so that push(x) and pop() each run in ?(1) time, but max() and ksum(k) run in ?(?) time. For this question, you should complete the implementation of FastSparrow that implements all four operations in ?(1) (amortized) time per operation. As part of your implementation, you may use any of the classes in the Java Collections Framework and you may use any of the source code provided with the Java version of the textbook. Don't forget to also implement the size() and iterator() methods. Think carefully about your solution before you start coding. Here are two hints:1. don't use any kind of SortedSet or SortedMap, these all require…
- So what happens if a stack resource can't be created?The following operations are performed on a stack:PUSH A, PUSH B, POP, PUSH C, PUSH D, POP, PUSH E, POP, POP, PUSH FWhat does the stack contain after the PUSH F?a. Fb. A B C D E Fc. A C Fd. A Fe. none of the above.Which of the following is true about linked list implementation of stack?(java) a. In push operation, if new nodes are inserted at the beginning of linked list, then in pop operation, nodes must be removed from the beginning. b. In push operation, if new nodes are inserted at the beginning of linked list, then in pop operation, nodes must be removed from end. c. In push operation, if new nodes are inserted at the end, then in pop operation, nodes must be removed from the beginning. d. None of the above
- Create a process to leave the other items of a linked stack unaltered while removing the nth member (from the top).There is one stacks and one queue q and then following operations are performed upon these two. Push A, enqueue B, push C, pop, pop, enqueue D, push E, dequeue, enqueue F .What is the total number of elements, which are left in the queue and stack in the end.Can you explain what the difference is between the constrained and unbounded version of the stack?
- Suppose that a client performs an intermixed sequence of (stack) push and pop operations. The push operations push the integers 0 through 9 in order on to the stack; the pop operations print out the return value. Circle the following sequence(s) that could not occur. a. 4 3 2 1 0 9 8 7 6 5 b. 2 1 4 3 6 5 8 7 9 0 c. 0 4 6 5 3 8 1 7 2 9 d. 4 6 8 7 5 3 2 9 0 1Examine the differences between the limited and unbounded changes to the stack?Write a program for Stack (Array-based or linked list-based) in Python. Test the scenario below with the implementation and with the reasoning of the answer. Make comments with a short description of what is implemented. Include source codes and screen-captured outputs. Stack: A letter means doing a push operation and an asterisk means doing a pop operation in the below sequence. Give the sequence of letters that are returned by the pop operations when this sequence of operations is performed on an initially empty stack. A*BCE**F*GH***I*