Category Archives: Searching

Given a string S consisting of only lowercase English letters. The task is to find the minimum number of times of finger moves to type… Read More
Given a string str, consisting of lowercase English alphabets, the task is to calculate the sum of indices(1-based indexing) of the characters removed to obtain… Read More
Given a Binary Tree and an array arr[] consisting of values of nodes to be deleted, the task is to print Inorder Traversal of the… Read More
Given two integers N and M, the task is to perform the following operations: For every value in the range [N, M], calculate the sum… Read More
Given an array arr[] consisting of N integers, and a matrix Q[][] consisting of queries of the form (L, R, K), the task for each… Read More
Given an array string[] consisting of N numeric strings of length M, the task is to find the number of distinct strings that can be… Read More
Given an array arr[] of length N, the task is to find the longest subarray for each array element arr[i], which contains arr[i] as the… Read More
Given an array arr[] of length N containing array elements in the range [1, N], the task is to find the maximum number of pairs… Read More
Given an array arr[] consisting of N integers, the task is to find the largest subarray consisting of unique elements only. Examples: Input: arr[] =… Read More
Prerequisite: Trie | (Insert and Search) Given an array of strings words[] and a partial string str, the task is to find the strings of… Read More
Given an array arr[], consisting of N non-negative integers and an integer S, the task is to find the number of ways to obtain the… Read More
Given an array a[] consisting of N integers, the task is to find the maximum subarray sum that can be pbtained by replacing a single… Read More
Given an array arr[] consisting of N integers and queries Q[][] of the form {L, R} where 0 ≤ L < R ≤ N –… Read More
Given an array a[] consisting of N integers, the task is to find the maximum possible sum that can be achieved by deducting any value,… Read More
Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and… Read More