# Category Archives: Algorithms

Given a string s of lowercase English alphabets and integer K. the task is to check if each character after increasing their ASCII by K… Read More
Given a binary string S of length N, the task is to find the number of pairs of integers [L, R] 1 ≤ L <… Read More
Given a string S consisting of lower case letters and an integer K, the task is to remove minimum number of letters from the string,… Read More
Given an arr[] of size N and an integer, K, the task is to find the maximum possible value of MEX by adding or subtracting… Read More
Given an array A[] of length N, the task is to minimize the maximum frequency of any array element by performing the following operation only… Read More
Given a Binary Search Tree, The task is to print the elements in inorder, preorder, and postorder traversal of the Binary Search Tree.  Input:  A… Read More
Given an integer array A[] of size N, the task is to check if the array can be divided into two subsequences such that appending… Read More
Given an array arr[] of size N. The task is to make all the array elements equal to zero by applying the minimum number of… Read More
Given a binary tree and a target K, the task is to find the diameter of the minimum subtree having sum equal to K which… Read More
Given an array arr[] which is of 3*N size, the task is to remove N elements and divide the whole array into two equal parts… Read More
There have always been arguments about how can be a sorting algorithm of linear time complexity be achieved, as all the traditional sorting algorithms are… Read More
Given an array arr[] of distinct elements size N that is sorted and then around an unknown point, the task is to count the number… Read More
Given two arrays, array A[] of size N and array B[] of size N-1, array A has all the positive elements and -1 for the… Read More
Given a binary string S of length N, the task is to find the minimum number of removals to segregate all the 0s and all… Read More
In certain sorting problems, if the data is already sorted the complexity of the sorting algorithm changes. That is it can be said that the… Read More