Fractional knapsack problem

Frog Jump

Frog Jump II

Furthest Building You Can Reach

Greatest Sum Divisible by Three

Guess Number Higher or Lower II

Identify the Largest Outlier in an Array

Increasing Decreasing String

Insert Delete Search and GetRandom in Constant Time 1 - Dupes not allowed

Insert Delete Search and GetRandom in Constant Time 2 - Duplicates allowed