Given a string str which has various HTML Entities in it, the task is to replace these entities with their corresponding special character....
Given an array arr[], the task is to determine the number of elements of the array which are not divisible by any other element in the given array. Examples:...
In C++ STL, a map is a container that stores key-value pairs in an ordered or sorted manner. In this article, we will learn how to find the first key-value pair in a Map....
Given an array arr[] of size N and an integer K, the task is to find the length of the longest subarray having Bitwise XOR of all its elements equal to K....
In C++, a map is a container that stores elements in the form of a key value and a mapped value pair. In this article, we will learn how to access a value in a map using an iterator in C++....
Given an array, arr[] consisting of N strings where each character of the string is lower case English alphabet, the task is to store and print the occurrence of every distinct character in every string....
Given a string str, the task is to find the maximum count of common non-repeating characters that can be obtained by partitioning the given string into two non-empty substrings....
Given two arrays firstArr[], consisting of distinct elements only, and secondArr[], the task is to find the length of LCS between these 2 arrays....
Given an array arr[] of size N, the task is to find the number of subarrays having the sum of its elements equal to the number of elements in it....
