561 Array Partition I   

461 Hamming Distance   

566 Reshape the Matrix   New

557 Reverse Words in a String III   

476 Number Complement   

339 Nested List Weight Sum   

500 Keyboard Row   

359 Logger Rate Limiter   

412 Fizz Buzz   

344 Reverse String   

346 Moving Average from Data Stream   

496 Next Greater Element I   

463 Island Perimeter   

266 Palindrome Permutation   

292 Nim Game   

293 Flip Game   

485 Max Consecutive Ones   

136 Single Number   

520 Detect Capital   

448 Find All Numbers Disappeared in an Array   

521 Longest Uncommon Subsequence I   

104 Maximum Depth of Binary Tree   

243 Shortest Word Distance   

389 Find the Difference   

371 Sum of Two Integers   

226 Invert Binary Tree   

258 Add Digits   

283 Move Zeroes   

492 Construct the Rectangle   

563 Binary Tree Tilt   

530 Minimum Absolute Difference in BST   

506 Relative Ranks   

167 Two Sum II - Input array is sorted   

455 Assign Cookies   

453 Minimum Moves to Equal Array Elements   

383 Ransom Note   

349 Intersection of Two Arrays   

404 Sum of Left Leaves   

252 Meeting Rooms   

387 First Unique Character in a String   

122 Best Time to Buy and Sell Stock II   

171 Excel Sheet Column Number   

237 Delete Node in a Linked List   

100 Same Tree   

256 Paint House   

169 Majority Element   

242 Valid Anagram   

504 Base 7   

409 Longest Palindrome   

217 Contains Duplicate