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Category Archives: Searching

Given a positive integer N, the task is to find the count of all the numbers M such that when the number N is divided… Read More
Given an array arr[] of size N, the task is to find the smallest indexed array element whose sign needs to be flipped such that… Read More
Given an array arr[] consisting of N integers and an integer K, the task is to count the number of array elements having exactly K… Read More
Given a Binary Tree consisting of N nodes, the task to find the maximum average of values of nodes of any subtree. Examples:  Input:   … Read More
Given an array arr[] of size N, the task is to find all the triplets (i, j, k) such that replacing the elements of the… Read More
Given an array arr[] consisting of N elements and an arrayQ[], the task for each query is to find the length of the longest prefix… Read More
Given a string S of length N, the task is to check if a string can be split into two substrings, say A and B… Read More
Given an array arr[] of size N, the task is to make all array elements even by replacing a pair of adjacent elements with their… Read More
Given two strings S and T of length N and M respectively, the task is to check if the string S can be converted to… Read More
Given an array arr[] consisting of N integers (All array elements are a perfect power of 2), the task is to calculate the sum of… Read More
Given an array arr[] of length N, the task is to find the count of pairs of indices (i, j) (0-based indexing) such that prefix… Read More
Given an array arr[] consiting of N integers representing the number of coins in each pile, and an integer H, the task is to find… Read More
Given two arrays L[] and R[] of sizes Q, the task is to find the number of composite magic numbers i.e numbers which are both… Read More
Given an array arr[] of size N and a positive integer K, the task is to find the smallest positive integer such that the sum… Read More
Given a numeric string S representing a positive decimal integer, the task is to find the minimum number of positive Deci-Binary numbers required to obtain… Read More