In prefix to postfix conversion problem, we have given expression in prefix notation in string format. Write a program to convert the given notation in postfix notation. Prefix Notation In this notation, we write the operands after the operator. It is also known as Polish Notation. For instance: +AB is …
In this problem, we have given a string that denotes the postfix expression. We have to do postfix to prefix conversion. Prefix Notation In this notation, we write the operands after the operator. It is also known as Polish Notation. For instance: +AB is a prefix expression. Postfix Notation In …
In Symmetric Tree problem we have given a binary tree, check whether it is a mirror of itself. A tree is said to be a mirror image of itself if there exists an axis of symmetry through a root node that divides the tree into two same halves. Example Types …
In this question, we will learn how to calculate the Sum of numbers in String Problem Statement In the “Calculate Sum of all Numbers Present in a String” problem we have given a string “s”. This string contains some alphanumeric numbers and some English lowercase characters. Write a program that …
Problem Statement In the “Longest Common Prefix using Divide and Conquer ” problem, we have given an integer n and n strings. Write a program that will print the longest common prefix. If there is no common prefix then print “-1”. Input Format The first line contains an integer n. …
Problem Statement In count minimum steps to get the given array problem, we have given an input array target[] containing n elements, we need to compute the minimum number of operations from converting array[] of size n with all zeros to target[]. Operations a) Increment an element by 1 is …