b) One application of stacks is the conversion of infix expressions into postfix expressions. Convert the following infix expressions into their equivalent postfix expressions. (i) (ii) (iii) (iv) (v) (vi) (vii) (a + b) (A + B) (CD) * (a + b) * c (m/n) + (x + y) (a + b) (c + d) * (9-5)+2 9-(5+2) 9-5+2
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- Identify the difference between STACK and ARRAY.write a program in C++ , (Postfix Evaluation) Write a program that evaluates a valid postfix expression such as 6 2 + 5 * 8 4 / -The program should read a postfix expression consisting of digits and operators into a string. Using modified versions of the stack functions implemented earlier in this chapter, the program should scan the expression and evaluate it. The algorithm is as follows: While you have not reached the end of the string, read the expression from left to right. If the current character is a digit, Push its integer value onto the stack (the integer value of a digit character is its value in the computer’s character set minus the value of '0' in the computer’s character set). Otherwise, if the current character is an operator, Pop the two top elements of the stack into variables x and y. Calculate y operator x. Push the result of the calculation onto the stack. When you reach the end of the string, pop the top value of the stack. This is the result of the postfix…In C language, take an Infix expression from the user and convert to a Postfix expression using Stacks. The use of pointers is not allowed.
- Explain Using Stacks how to Evaluating Postfix Expressions?Represents an integer evaluator of postfix expressions. Assumes the operands are constants. Evaluates the specified postfix expression. If an operand is encountered, it is pushed onto the stack. If an operator is encountered, two operands are popped, the operation is evaluated, and the result is pushed onto the stack. param expr string representation of a postfix expression return value of the given expression use java to codeGroup Anagrams when given an array of strings in C++ Example: Input: ["eat", "tea", "tan", "ate", "nat", "bat"], Output: [ ["ate","eat","tea"], ["nat","tan"), ["bat"] ] This problem can be solved easily using Мaps. The solution involves 2 steps: 1. Sort the element and make it as the key. 2. Take the value and place it in the key.
- in c++ In a stack with 15 elements assume that the data elements are integer values. Write afunction that pops the elements one by one, add 5 to each integer and push the elementback to the stackDefine the term " pointer dereference " .// the language is c++, please code with common for better understanding, and after your code finished take a screenshot of the execution. Write a C++ program to simulate a stack using an array. You should create an index (the stack pointer) to point into the stack. Initialize it to 0. The stack should grow to location [1], [2], [3], etc. Write a "push (int)" function to push an int onto the top of the stack. Also, write an "int pop" instruction to pop the data that is stored on the top of the stack. The pop instruction must return the popped data. The push and pop instructions should increment and decrement the stack pointer appropriately. Your source should contain calls to your functions demonstrating that it works. Note, that you should do several pushes and several pops to show that data is correctly stored on the stack. You can do this by showing sample runs. Cut and paste the results of the runs into a separate document
- QUESTION: NOTE: This assignment is needed to be done in OOP(c++/java), the assignment is a part of course named data structures and algorithm. A singly linked circular list is a linked list where the last node in the list points to the first node in the list. A circular list does not contain NULL pointers. A good example of an application where circular linked list should be used is a items in the shopping cart In online shopping cart, the system must maintain a list of items and must calculate total bill by adding amount of all the items in the cart, Implement the above scenario using Circular Link List. Do Following: First create a class Item having id, name, price and quantity provide appropriate methods and then Create Cart/List class which holds an items object to represent total items in cart and next pointer Implement the method to add items in the array, remove an item and display all items. Now in the main do the following Insert Items in list Display all items. Traverse…The following problems best solved using stack structures, EXCEPT Select one: A.Balancing of parenthesis B.Evaluation of functions containing recursive calls C.Removal of items in random order D.Evaluation of postfix expressionsJavascript: Write out the call stack for this program if x is 3. function factorial(x) { if (x === 0) {return 1;}return x * factorial(x-1); }console.log(factorial(x)); Use "not in function" if not in a function, and put the function name along with the arguments if in a function.