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Category Archives: Searching

Given an array arr[] consisting of N distinct positive integers, the task is to repeatedly find the minimum peak element from the given array and… Read More
Given an integer K and an array arr[] consisting of N positive integers, the task is to find the number of subarrays whose sum modulo… Read More
Given an array, arr[] of size N, two positive integers K and S, the task is to find the length of the smallest subarray of… Read More
Given an array arr[] sorted in decreasing order, and an integer X, the task is to check if X is present in the given array… Read More
Given an array, arr[] consisting of N positive integers, the task is to make the array non-decreasing by swapping pairs (arr[i], arr[j]) such that i… Read More
Given two integers A, B which are any two terms of an Arithmetic Progression series, and an integer N, the task is to to construct… Read More
Given a binary matrix, mat[][] of size M * N, the task is to count the number of 1s from the given binary matrix whose… Read More
Given two strings str1 and str2, the task is to count the minimum number of operations of the following three types on one of the… Read More
Given a matrix mat[][] of size M * N, the task is to find all matrix elements which are minimum in their respective row and… Read More
Given a string S representing a sentence and another string word, the task is to find the word from S which has the string word… Read More
Given an n-ary tree T, the task is to find a node whose removal minimizes the maximum size of all forests(connected components) generated. Examples: Input:  … Read More
Given an array arr[], where each element represents the maximum number of steps that can be made forward from that element, the task is to… Read More
Given an array arr[] consisting of N integers, the task is to find the length of the longest increasing absolute even subsequence. An increasing absolute… Read More
Given a binary string S, the task is to find the minimum number of operations of flipping at most two non-adjacent characters from the binary… Read More
Given an array arr[] of N integers and an integer K, the task is to find a subarray of length K with a sum of… Read More