LC 375. Guess Number Higher or Lower II - LeetCode Google DynamicProgramming MinMax

https://leetcode.com/problems/guess-number-higher-or-lower-ii/description/

LC 374. Guess Number Higher or Lower - LeetCode Google BinarySearch

https://leetcode.com/problems/guess-number-higher-or-lower/description/

LC 683. K Empty Slots - LeetCode Hard Google TreeSet

https://leetcode.com/problems/k-empty-slots/description/