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
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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
Step by step
Solved in 3 steps
- C# Reverse the stack - This procedure will reverse the order of items in the stack. This one may NOT break the rules of the stack. HINTS: Make use of more stacks. Arrays passed as parameters are NOT copies. Remember, this is a procedure, not a function. private int [] stack; private int size; public void ReverseStack(){ }C# Reverse the stack - This procedure will reverse the order of items in the stack. This one may NOT break the rules of the stack. HINTS: Make use of more stacks. Arrays passed as parameters are NOT copies. Remember, this is a procedure, not a function. public void ReverseStack(){ }Hi please help me thankyou so much FILE: Stack.hGiven the Stack.h above and the following data is to be entered by a user:{ 83, 84, 65, 82, 71, 78, 79, 67 }Write a main program that uses Stack.h library to perform the following pseudo-code:1. create stack S1 and stack S2 as character2. start loop 8 times3.accept data from user4.if the data entered is odd number5.push into S16.else if the data entered is even number7.8. end loop9. display top S1push into S210. pop S111. start loop S2 is not empty12.display top S113.pop S114.display top S215.pop S216. end loop17. display top S118. роp S1
- Fundamental Data Structures: T1: Stack Implementation In this task, you will implement a stack data structure in Python.Create a Python class named Stack that will have the following methods:__init__(self): Initialize an empty stack.push(self, item): Push an item onto the stack.pop(self): Pop and return the top item from the stack. If the stack is empty, return an appropriate message.peek(self): Return the top item from the stack without removing it. If the stack is empty, return an appropriate message.is_empty(self): Check if the stack is empty and return True or False.size(self): Return the number of elements in the stack.T 2: Using the Stack In this task, you will use the stack you implemented to solve a common problem: checking if a string containing parentheses, brackets, and curly braces is balanced.Write a Python function is_balanced(expression) that takes a string containing parentheses, brackets, and curly braces and returns True if the symbols are balanced and False…These statements describe STACK. YOU MAY CHOOSE MULTIPLE OPTIONS. A) Pushing and popping is done by the use of a stack pointerB) A region of memory that behaves in a last in first out data structureC) Not random accessD) Implemented as a contiguous arrayE) The stack pointer points to bottom of the stackQ3: Write the C++ code of Stack which is performed multiple task which are given below and performed all task by using Arrays. Push values 10, 20, 5 , 50, 40, 60, 45 Pop values 45, 60, and 40 Sort all values in Stack Please create is empty and stack function for telling them stack is empty or full.NOTE: PLEASE SOLVE THE QUESTION PROPERLY AND ACCORDING TO THE REUIRED THINGS.
- 54. What is the difference between the top and pop operations of a stack? Group of answer choices The top operation removes the top item of the stack. The pop operation returns a reference to the top item on the stack and remove it. The top operation removes the top item of the stack. The pop operation returns a reference to the top item on the stack without removing it. The pop operation removes the top item of the stack. The top operation returns a reference to the top item on the stack without removing it. The pop and top operations are doing the same thing which removes the top item of the stack. The pop operation removes the top item of the stack. The top operation returns a reference to the top item on the stack and remove it.Language: C/C++ Q.1 - Write an algorithm that takes an array of characters, with only the characters 1, 2 and only two occurrences of the character 0, and the size of the array that has filled (valid) characters. This algorithm must check that the string that is stored is of the form x0y0x, where x is the inverse of y. (if x= "12221122", y="22112221"). The algorithm must use the Stack functions (create, pop, push, destroy, isempty) Q.2 - Write an algorithm for the Pune operation, which punishes an element on a stack by pushing it back n positions. Assume that the stack is implemented as a simply chained linear list. Pune (Pilha *p, int n); Q.3 - Write an algorithm that punishes the first element of a row represented in a circular vector, taking it out of the first position and placing it in the middle of the row.P.S: It cannot perform calls to the Insert and Remove function from the queue, the algorithm must perform the operation only with vector manipulation. void…bool check(stack<int>s) { if(s.topindex==maxsize) return 1; return 0; } this function is used to check if the stack is full or not Select one: True False
- Problem Statement: Recall the concepts of stacks. Implement a stack using arrays. Build a program that takes an infix statement and converts it to a postfix statement. If the statement is incorrect the program should inform the user that the input statement is incorrect. Otherwise it should return the postfix expression. After the statement has been successfully converted, the program should then evaluate this postfix expression and return the result. C: stacks...Please help fix the Error // warning: implicit declaration of function 'isdigit' [-Wimplicit-function-declaration] if(isdigit(*ex)) ^~~~~~~ // ......... #include<stdio.h> int Stack[30]; // storing the stack values int top = -1; // it will show stack is empty void PUSH(int x) { Stack[++top] = x; // inserting elements in the stack } int POP() { return Stack[top--]; // poping elements in the stack } int main() { char exp[20]; char *ex; int n1,n2,n3,num; printf("Enter the expression :: "); scanf("%s",exp); ex = exp; while(*ex != '\0') { if(isdigit(*ex)) { num = *ex - 48; PUSH(num); } else { n1 = POP(); n2 = POP(); switch(*ex) { case '+': { n3 = n1 + n2; break; } case '-':…4. a) Using the stack diagram, convert the following infix expression to a postfix expression. A + B / C * (D – E) b) Referring to question 4 (a), give the value of postfix expression by using the stack concept if provided: A=13, B=20, C=4, D=30, E=25