What will the following statement do in a stack using an array: values[++top]=x; O Pop x from the stack O Check if x is on the top or peek of stack Push x on the stack O Search for x in stack
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A:
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A: EXAMPLE Valid?…
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A: Stack is a LIFO i.e., Last In First Out Data Structure.
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A: Efficient Implementation of push , pop and size is below:
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A: i takes values from 0 to topindex/2 which means till half of the entry array
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A: Stack is a data structure which follows FIFO property that is, first in first out.
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A: the anwser is given below:-
Q: In an array implementation of a Stack, the top of the Stack should be at index O of the array.
A: Explanation: in an array implementation of stack the top of the stack should not be index 0, it…
Q: to be the top element of the stack. E.g. given the stack elements (from bottom to top): 90, 70, 80,…
A: Please find the code below:
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A: I give the code in java as per your requirement along with code and output screenshot
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- Here is a calling sequence for a procedure named AddThree that adds three doublewords(assume that the STDCALL calling convention is used):push 10hpush 20hpush 30hcall AddThreeDraw a picture of the procedure’s stack frame immediately after EBP has been pushed onthe runtime stackA letter means push and an asterisk means pop in the following sequence. Give the contents of s[0], ..., s[4] after the execution of this sequence of operations performed on an initially empty LIFO stack. L A * S T I * N * F I R * S T * * O U * T * * * * * *# cannot contain syntax error # stack class class Stack:def __init__(self, iL=[]):self.aList = iL[:] def push(self, newElem:int):"""push a new element on top"""self.aList.append(newElem) def pop(self)->int:"""return top item"""return self.aList.pop() def empty(self):"""Is the stack empty?"""return self.aList == [] def __repr__(self):return repr(self.aList) # use only the above stack methods to define a function to# delete an item x from a stack, (only one x (the upper one) is to be deleted)# keep the order of the remaining items in the stack unchanged# can change orginal stack# return a new stack def delx(sk:Stack, x:'item')-> Stack: #Code goes here if __name__ == "__main__": #Testing code here
- . Let S1 and S2 be two stacks. Write a procedure Push(x, S) that pushes element x onto stack S, where S is one or the other of these two stacks. Include all necessary error checks in your procedure.given code #include <stdio.h>#include <stdlib.h> /* typical C boolean set-up */#define TRUE 1#define FALSE 0 typedef struct StackStruct{int* darr; /* pointer to dynamic array */int size; /* amount of space allocated */int inUse; /* top of stack indicator - counts how many values are on the stack */} Stack; void init (Stack* s){s->size = 2;s->darr = (int*) malloc ( sizeof (int) * s->size );s->inUse = 0;} void push (Stack* s, int val){/* QUESTION 7 *//* check if enough space currently on stack and grow if needed */ /* add val onto stack */s->darr[s->inUse] = val;s->inUse = s->inUse + 1;} int isEmpty (Stack* s){if ( s->inUse == 0)return TRUE;elsereturn FALSE;} int top (Stack* s){return ( s->darr[s->inUse-1] );} /* QUESTION 9.1 */void pop (Stack* s){if (isEmpty(s) == FALSE)s->inUse = s->inUse - 1;} void reset (Stack* s){/* Question 10: how to make the stack empty? */ } int main (int argc, char** argv){Stack st1; init (&st1); push…A stack is very useful in situations when data have to be stored and then retrieved in the —- order. A) same B) reverse C) ascending D) descending
- Select true or false for the statements below. Explain your answers if you like to receive partial credit 4) Given a stack implemented as a standard linked list (only a head pointer) with O(1)push and O(1) pop, and the following functions are performed in sequence:Push(“Charmander”), Push(“Squirtle”), Push(“Bulbasaur”), Pop(), Push(“Larvitar”),Push(“Eevee”), Pop(), Pop()Which of the following is true after all the functions are executed?a. Charmander and Squirtle will be the only elements left on the stackb. The head node will be pointing to Charmanderc. If you Push(“Pikachu”), it will be the last node of the linked listIn the following code, assume myStack is a stack that holds integers. What would be the contents of the stack after the following operations, indicating what element is currently at the top and the bottom of the stack. myStack.push(1);myStack.push(2);myStack.push(3);myStack.pop();myStack.push(4);myStack.push(5);myStack.pop(); Group of answer choices 4 <- Top21 <- Bottom 5 <- Top31 <- Bottom 4 <- Top32 <- Bottom 5 <- Top21 <- BottomWrite a program to sort a stack such that the smallest items are on the top. You can use an additional temporary stack, but you may not copy the elements into any other data structure (such as an array). The stack supports the following operations: push, pop, peek, and is Empty.
- Problem 1 (Stacks): Let S1 and S2 be two stacks. 1. It is possible to keep two stacks in a singlearray, if one grows from position 1 of the array, and the other grows from the last position? 2.Write a procedure Push(x, S) that pushes element x onto stack S, where S is one or the other ofthese two stacks. Include all necessary error checks in your procedure.C# Why would this not work?: NumberStack stack2 = new NumberStack(5); public void PrintStack() { //Loop through each element of the stack and display it for (int i = size - 1 ; i >= 0; i--) { Console.WriteLine(stack[i]); } } Console.WriteLine(stack2.PrintStack()); -> provides an error "error CS1503: Argument `#1' cannot convert `void' expression to type `bool'"Write a program to sort a stack such that the smallest items are on the top. You can usean additional temporary stack, but you may not copy the elements into any other data structure(such as an array). The stack supports the following operations: push, pop, peek, and is Empty