Nov. 25, 2019

430. Flatten a Multilevel Doubly Linked List

Average Rating: 4.34 (120 votes)

by liaison 129.9K view

Nov. 16, 2019

708. Insert into a Cyclic Sorted List

Average Rating: 4.65 (125 votes)

by liaison 136.8K view

Nov. 13, 2019

1249. Minimum Remove to Make Valid Parentheses

Average Rating: 4.88 (542 votes)

by Hai_dee 307.6K view

Nov. 11, 2019

354. Russian Doll Envelopes

Average Rating: 4.17 (89 votes)

by Primusai 67.9K view

Nov. 9, 2019

154. Find Minimum in Rotated Sorted Array II

Average Rating: 4.86 (158 votes)

by liaison 99.2K view

Nov. 5, 2019

429. N-ary Tree Level Order Traversal

Average Rating: 4.75 (48 votes)

by Hai_dee 74.2K view

Nov. 3, 2019

202. Happy Number

Average Rating: 4.85 (424 votes)

by Hai_dee 498.2K view

Nov. 3, 2019

133. Clone Graph

Average Rating: 4.44 (324 votes)

by godayaldivya 452.2K view

Nov. 2, 2019

622. Design Circular Queue

Average Rating: 4.10 (79 votes)

by liaison 131K view

Oct. 31, 2019

380. Insert Delete GetRandom O(1)

Average Rating: 4.89 (486 votes)

by andvary 334.3K view