FakeStoreAndStripeApi-s is an e-commerce web application that integrates with Stripe for secure payment processing. The application allows users to browse products, add them to their cart, and proc…

recursive problems

potd gfg

You are given the pointer to the head node of a sorted linked list, where the data in the nodes is in ascending order. Delete nodes and return a sorted list with each distinct value in the original…

Given an m x n 2D binary grid grid which represents a map of '1's (land) and '0's (water), return the number of islands. An island is surrounded by water and is formed by connecting adjacent lands …

713. Subarray Product Less Than K Medium 3618 127 Add to List Share Given an array of integers nums and an integer k, return the number of contiguous subarrays where the product of all the elements…

438. Find All Anagrams in a String Medium 7017 248 Add to List Share Given two strings s and p, return an array of all the start indices of p's anagrams in s. You may return the answer in any order…

1679. Max Number of K-Sum Pairs Medium 658 24 Add to List Share You are given an integer array nums and an integer k. In one operation, you can pick two numbers from the array whose sum equals k an…

You are given two lists of closed intervals, firstList and secondList, where firstList[i] = [starti, endi] and secondList[j] = [startj, endj]. Each list of intervals is pairwise disjoint and in sor…

Given two strings s and t, return true if they are equal when both are typed into empty text editors. '#' means a backspace character. Note that after backspacing an empty text, the text will conti…

15. 3Sum Medium 16258 1558 Add to List Share Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j] + nums[k] =…

Given the head of a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. Return the linked list sorted as well. Example 1: Input: …

This challenge is part of a tutorial track by MyCodeSchool Given pointers to the heads of two sorted linked lists, merge them into a single, sorted linked list. Either head pointer may be null mean…