Figure Q2(a) shows a series of operations for a stack, s1. Determine the content of s1 using an array structure and the output of the program fragment. push (&s1, 25); push (&sl,77); push (&sl,94); push (&s1,178); push (&s1,-15); push (&s1,-65); x=pop (&s1); printf("data= %d\n",x); x-pop (&s1); printf("data= 8d\n",x); x-pop (&sl); printf("data= 8d\n",x); push (&s1,20); nuch (fc1 78)
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- A data structure known as a drop-out stack functions exactly like a stack, with the exception that if the stack size is n, the first element is lost when the n + 1 element is pushed. Apply an array to a drop-out stack. (Hint: It would make sense to implement a circular array.)A data structure known as a drop-out stack functions exactly like a stack, with the exception that if the stack size is n, the first element is lost when the n + 1 element is pushed. Use an array to implement a drop-out stack. (Hint: It would make sense to implement a circular array.)Stack Simulation Create a java program that will simulate PUSH() and POP() operations using a 1-D array representation.Each operation is dependent from each other and it's carried out in the next question in a sequential order.Given:Empty STACK with 10 elements.
- Use a stack to reverse the input integer values. Check the stack grows as more elements are pushed. Use with and without function pointer in each of the problem (Please give correct answer with explanation)Stacks are an important data structure in their own right and they may be implemented in several ways. Implement a stack as an array and i. Write functions to perform the following operations on it. With each operation explain the time complexity associated with it when performeda. Push() b. pop() c. size() d. peek()ii. Briefly explain any two problems when stacks are implemented as an array.Please with explanation \\\\\\\\\\\\\\\\\\\ JAVA\\\\\\\\\\\\\\\\\\\\\\\\\\ //21.3 * 3.1 / ( 14 + (6+2.1)^3) } //TODO public void convertToPostFix() { //create a stack of operators. //create Vector postFix //Go through inFix from 0 to size-1 //if current element is operand add it to postFix //if operator then as long as top of stack is operator of higher or equal //precedence pop it from stack and add it to postFix //push operator to stack //if open parenthesis push it to stack //if close parenthesis as long as top of stack is not open parenthesis, pop from //stack and add it to postFix. //pop the open parenthesis from stack (don't add it to postfix) //empty stack into postFix. } //TODO public double evaluate() { double result; return…
- Draw the sequence of stack configurations in the evaluation of the following postfix expression: 3 5 5 * + 4 7 + / 6 *Stack, Queue and Deque5.1. Understand the basic operations for Stack, Queue and DequeExample: Suppose that Queue q is implemented by a circular array data with the size 3. Please drawthe state of the Queue q and circular array data after each of the following steps.1) Queue q = new Queue();2) q.enqueue(5);3) q.enqueue (2);4) q.enqueue (9);Problem 4 (Stacks): Two stacks of positive integers are needed, one containing elements withvalues less than or equal to 1,000 and the other containing elements with values larger than 1,000.The total number of elements in the small-value stack and the large-value stack combined are notmore than 200 at any time, but we cannot predict how many are in each stack. (All of the elementscould be in the small-value stack, they could be evenly divided, both stacks could be empty, andso on.).1. Can you think of a way to implement both stacks in one array?2. Draw a diagram of how the stack might look.3. Write definitions for such a double-stack structure.4. Implement the push operation; it should store the new item into the correct stack accordingto its value (compared to 1,000).
- Design a function bool validateStackSequences(const std::vector<int>& v) that takes an int vector with distinct values, and returns if values in v could be a valid sequence of stack operations You may assume the input values are always{1, 2, 3, 4, 5}. #include <vector> #include <stack> #include <iostream> // TODO: implement this function bool validateStackSequences(const std::vector<int>& v) { if (v.size() % 2 != 0) return false; std::stack<int> s; int i = 0; int j = v.size() - 1; while (i <= j) { if (v[i] == v[j]) { i++; j--; } else if (!s.empty() && s.top() == v[j]) { s.pop(); j--; } else { s.push(v[i]); i++; } } return s.empty(); } int main(){ // use following code snippet for testing // expected output: // true // false // true // false // true std::cout << std::boolalpha << validateStackSequences({5, 4, 3, 2, 1}) << std::endl; std::cout <<…//21.3 * 3.1 / ( 14 + (6+2.1)^3) } //TODO public void convertToPostFix() { //create a stack of operators. //create Vector postFix //Go through inFix from 0 to size-1 //if current element is operand add it to postFix //if operator then as long as top of stack is operator of higher or equal //precedence pop it from stack and add it to postFix //push operator to stack //if open parenthesis push it to stack //if close parenthesis as long as top of stack is not open parenthesis, pop from //stack and add it to postFix. //pop the open parenthesis from stack (don't add it to postfix) //empty stack into postFix. } //TODO public double evaluate() { double result; return result; } private boolean isDigit(char c) { if(c >= '0'…C++ code Stack Implementation using Variable-sized Dynamic Arrays2. Stack Implementation using Linked Lists3. The applications of Stacks1. Implement a template-based stack using a variable-sized dynamic array. When the array getsfull, double its size before insertion of new elements. When array contains data lesser than33% of its size, reduce its size to half. The required member methods are:T* arr: array containing data elements of stackint capacity: stores the capacity of stack.int getCout(): returns total elements stored in the stack.bool isEmpty(): returns true if the stack is empty else false.bool isFull(): returns true if the stack is full.bool top(): returns, but does not delete, the topmost element from the stack via theparameter passed by reference, and returns true via the return statement. If there is noelement, it returns false via the return statement.bool pop(): deletes the top most element from the stack and returns true via the returnstatement. If there is no element,…