Problem Statement The problem “Find all pairs (a, b) in an array such that a % b = k” states that you are given an array of integers and an integer value called k. The problem statement asks to find out the pair in such a way that that x …
Problem Statement The problem “Queries for counts of array elements with values in given range” states that you have an integer array and two number x and y. The problem statement asks to find out the count of numbers present in array that lies between the given x and y. …
Problem Statement The problem “Sort a stack using recursion” states that you are given a stack data structure. Sort its elements using recursion. Only the below-listed functions of the stack can be used – push(element) – to insert the element in the stack. pop() – pop() – to remove/delete the …
Problem statement The problem “Sorting array using Stacks” states that you are given a data structure array a[ ] of size n. Sort the elements of the given array using stack data structure. Example 2 30 -5 43 100 -5 2 30 43 100 Explanation: The elements are sorted in …
Problem Statement The problem “Sort a stack using a temporary stack” states that you are given a stack data structure. Sort the elements of the given stack using a temporary stack. Example 9 4 2 -1 6 20 20 9 6 4 2 -1 2 1 4 3 6 5 …
Problem Statement You are given two arrays of integers arr1[] and arr2[]. The problem “Sort an array according to the order defined by another array” asks to sort the first array according to the second array so that the numbers in first array will be relatively sorted off all the …
Problem Statement You are given an array of integers and a range of lowValue and highValue. The problem “Three way partitioning of an array around a given range” asks to partition the array such that array will be divided into three parts. The partitions of the arrays will be: Elements …
Problem Statement The problem “Queue based approach for first non-repeating character in a stream” states that you are given a stream containing lower case characters, find the first non-repeating character whenever a new character is added to the stream, and if there is no non-repeating character return -1. Examples aabcddbe …
Problem Statement “K’th Largest element in BST using constant extra space” states that you are given a binary search tree and you need to find the kth largest element in it. So if we arrange the elements of the binary search tree in descending order then we need to return …
Problem Statement Problem “Convert an array to reduced form” states that you are given an array of integers of size n distinct elements. The problem statement asked to reduce the array in such a way that the new numbers be placed in the array within the range 0 to n-1. …