# LeetCode 359. Logger Rate Limiter

Description https://leetcode.com/problems/logger-rate-limiter/ Design a logger system that receive stream of messages along with its timestamps, each message should be printed…

# LeetCode 731. My Calendar II

Description https://leetcode.com/problems/my-calendar-ii/ Implement a MyCalendarTwo class to store your events. A new event can be added if adding the event will not…

# LeetCode 771. Jewels and Stones

Description https://leetcode.com/problems/jewels-and-stones/ You’re given strings J representing the types of stones that are jewels, and S representing the stones you have.  Each character in S is…

# LeetCode 753. Cracking the Safe

Description https://leetcode.com/problems/cracking-the-safe/ There is a box protected by a password. The password is a sequence of n digits where each digit can be…

# LeetCode 809. Expressive Words

Description https://leetcode.com/problems/expressive-words/ Sometimes people repeat letters to represent extra feeling, such as “hello” -> “heeellooo”, “hi” -> “hiiii”.  In these…

# LeetCode 975. Odd Even Jump

Description https://leetcode.com/problems/odd-even-jump/ You are given an integer array A. From some starting index, you can make a series of jumps. The…

# LeetCode 849. Maximize Distance to Closest Person

Description https://leetcode.com/problems/maximize-distance-to-closest-person/ You are given an array representing a row of seats where seats[i] = 1 represents a person sitting in the ith seat, and seats[i] =…

# LeetCode 205. Isomorphic Strings

Description https://leetcode.com/problems/isomorphic-strings/ Given two strings s and t, determine if they are isomorphic. Two strings are isomorphic if the characters in s can be replaced…

# LeetCode 947. Most Stones Removed with Same Row or Column

Description https://leetcode.com/problems/most-stones-removed-with-same-row-or-column/ On a 2D plane, we place stones at some integer coordinate points.  Each coordinate point may have at…

# LeetCode 222. Count Complete Tree Nodes

Description https://leetcode.com/problems/count-complete-tree-nodes/ Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree from Wikipedia:In a complete…