Sorted:

Leetcode – 146. LRU Cache

Leetcode – 7. Reverse Integer

Leetcode – 5. Longest Palindromic Substring

Read news in bilingual mode on E-ink Android tablet

Find the 1500th regular number

Leetcode – 17. Letter Combinations of a Phone Number

Leetcode – 16. 3sum closest (yeah… threesum again)

Leetcode – 15. 3sum (yes, threesum)

Leetcode – 14. Longest common prefix

Leetcode – 13. Roman to Integer