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Category Archives: Searching

Given two positive integers N and K, the task is to find the Kth character of a string obtained by performing the following operation on… Read More
Given an integer N, the task is to check if any permutation of N without any leading zeros is a power of 2. If any… Read More
Given an integer N, the task is to find the total number of right angled triangles that can be formed such that the length of… Read More
Given two matrices mat1[][] and mat2[][] of size NxN. The task is to find if the given two matrices are mirror images of one another.… Read More
What is the binary search algorithm? Binary Search Algorithm is used to find a certain value of x for which a certain defined function f(x) needs… Read More
Given a Binary Tree, the task is to find the length of the longest straight path of the given binary tree. Straight Path is defined… Read More
Given an N-ary Tree having N nodes with positive and negative values and (N – 1) edges, the task is to find the maximum absolute… Read More
Given an array arr[] having N integers from the range [1, N] and an integer K, the task is to find the minimum possible cost… Read More
Given two arrays arr1[] and arr2[] of length N and M respectively, the task is to find the length of the longest common prime subsequence… Read More
Given an array arr[] and an integer K, the task is to find the first subarray which has a sum greater than or equal to… Read More
Given string str of lowercase alphabets and an array cost[], where cost[i] represents the cost of deletion of ith character in the given string. The… Read More
Given binary string str, the task is to count the total number of ways to split the given string into three non-overlapping substrings having the… Read More
Given a connected acyclic graph consisting of V vertices and E edges, a source vertex src, and a destination vertex dest, the task is to… Read More
Given an array arr[] of N integers along with integers M, L, R. Consider a variable S(initially 0). The task is to find the maximum… Read More
Given a string S of size N consisting of lowercase alphabets only, the task is to find the smallest character having a minimum sum of… Read More