Zoho

210+ posts

Last Updated: 22 November 2023

Given an array of integers, our task is to write a program that efficiently finds the second-largest element present in the array.Examples:I ...read more

Arrays

Order-Statistics

Accolite

Zoho

Merge two sorted arrays

Last Updated: 03 October 2023

Given two sorted arrays, the task is to merge them in a sorted manner.Examples:Input: arr1[] = { 1, 3, 4, 5}, arr2[] = {2, 4, 6, 8}Output: a...read more

Longest Palindromic Substring

Last Updated: 11 October 2023

Given a string str, the task is to find the longest substring which is a palindrome.Examples:Input: str = "forgeeksskeegfor"Output: "geekssk...read more

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Find Subarray with given sum | Set 1 (Non-negative Numbers)

Last Updated: 24 August 2023

Given an array arr[] of non-negative integers and an integer sum, find a subarray that adds to a given sum.Note:There may be more than one s ...read more

Last Updated: 11 October 2023

Prerequisites: Introduction to Knapsack Problem, its Types and How to solve themGiven N items where each item has some weight and profit ass ...read more

Print a given matrix in spiral form

Last Updated: 14 June 2023

Given a 2D array, print it in spiral form.Examples:Input: {{1, 2, 3, 4}, {5, 6, 7, 8}, {9, 10, 11, 12}, {13, 14, 15, ...read more

Basic Coding Problems

Longest Increasing Subsequence (LIS)

Last Updated: 27 September 2023

Given an array arr[] of size N, the task is to find the length of the Longest Increasing Subsequence (LIS) i.e., the longest possible subseq...read more

Merge two sorted linked lists

Last Updated: 10 July 2023

AuxiliaryGiven two sorted linked lists consisting of N and Mnodes respectively. The task is to merge both of the lists (in place) and return...read more

Reverse words in a given string

Last Updated: 13 September 2023

Given a string, the task is to reverse the order of the words in the given string.Examples:Input: s = "geeks quiz practice code"Output: s = ...read more

Check for Balanced Brackets in an expression (well-formedness)

Last Updated: 04 May 2023

Given an expression string exp, write a program to examine whether the pairs and the orders of "{", "}", "(", ")", "[", "]" are correct in t...read more

Reverse a Linked List

Last Updated: 21 November 2022

Given a pointer to the head node of a linked list, the task is to reverse the linked list. We need to reverse the list by changing the links...read more

Find the middle of a given linked list

Last Updated: 28 March 2023

Auxiliary Given a singly linked list, find the middle of the linked list. For example, if the given linked list is 1-2-3-4-5 then the output...read more

Python-Data-Structures

DSA

Find the Maximum Depth or Height of given Binary Tree

Last Updated: 03 October 2023

Given a binary tree, the task is to find the height of the tree. The height of the tree is the number of vertices in the tree from the root ...read more

Largest Sum Contiguous Subarray (Kadane's Algorithm)

Last Updated: 08 December 2023

Given an array arr[] of size N. The task is to find the sum of the contiguous subarray within a arr[] with the largest sum. Recommended P...read more

Check if pair with given Sum exists in Array (Two Sum)

Last Updated: 14 August 2023

Given an array A[] of n numbers and another number x, the task is to check whether or not there exist two elements in A[] whose sum is exact ...read more

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