Water Bottles II You are given two integers numBottles and numExchange. numBottles represents the number of full water bottles that you initially have. In one operation, you can perform one of t...

Water Bottles There are numBottles water bottles that are initially full of water. You can exchange numExchange empty water bottles from the market with one full water bottle. The operation of d...

Minimum Score Triangulation of Polygon You have a convex n-sided polygon where each vertex has an integer value. You are given an integer array values where values[i] is the value of the ith vert...

Find Triangular Sum of an Array You are given a 0-indexed integer array nums, where nums[i] is a digit between 0 and 9 (inclusive). The triangular sum of nums is the value of the only element pr...

Largest Perimeter Triangle Given an integer array nums, return the largest perimeter of a triangle with a non-zero area, formed from three of these lengths. If it is impossible to form any triang...

Largest Triangle Area Given an array of points on the X-Y plane points where points[i] = [xi, yi], return the area of the largest triangle that can be formed by any three different points. Answer...

Valid Triangle Number Given an integer array nums, return the number of triplets chosen from the array that can make triangles if we take them as side lengths of a triangle.   Example 1: **In...

Triangle Given a triangle array, return the minimum path sum from top to bottom. For each step, you may move to an adjacent number of the row below. More formally, if you are on index i on the c...

Fraction to Recurring Decimal Given two integers representing the numerator and denominator of a fraction, return the fraction in string format. If the fractional part is repeating, enclose the ...

Compare Version Numbers Given two version strings, version1 and version2, compare them. A version string consists of revisions separated by dots ‘.’. The value of the revision is its integer conv...