In the ever-evolving world of artificial intelligence, a new trend is emerging that’s changing the way developers and creators interact with code: vibe coding. But what exactly is vibe coding,…
Given a string s of lower and upper case English letters. A good string is a string which doesn’t have two adjacent characters s and s where: To make the…
Given a string path, where path = 'N', 'S', 'E' or 'W', each representing moving one unit north, south, east, or west, respectively. You start at the origin (0, 0)…
Given a date string in the form Day Month Year, where: Convert the date string to the format YYYY-MM-DD, where: Example 1: Input: date = "20th Oct 2052" Output: "2052-10-20"…
We have a collection of stones, each stone has a positive integer weight. Each turn, we choose the two heaviest stones and smash them together. Suppose the stones have weights…
You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbers for nums1‘s elements in the corresponding places…
Given a string S of lowercase letters, a duplicate removal consists of choosing two adjacent and equal letters, and removing them. We repeatedly make duplicate removals on S until we…
Given an array target and an integer n. In each iteration, you will read a number from list = {1,2,3..., n}. Build the target array using the following operations: You…
Given an array target and an integer n. In each iteration, you will read a number from list = {1,2,3..., n}. Build the target array using the following operations: You…
A valid parentheses string is either empty (""), "(" + A + ")", or A + B, where A and B are valid parentheses strings, and + represents string concatenation.…