Meta Top 30

30 most frequently asked problems at Meta interviews.

30 道題目

#	題目	難度	Rating
1	1. Two Sum	Easy	1116
2	15. 3Sum	Medium	1711
3	20. Valid Parentheses	Easy	1211
4	21. Merge Two Sorted Lists	Easy	1168
5	22. Generate Parentheses	Medium	1648
6	23. Merge K Sorted Lists	Hard	1893
7	31. Next Permutation	Medium	1560
8	33. Search in Rotated Sorted Array	Medium	1625
9	50. Pow(x, n)	Medium	1460
10	56. Merge Intervals	Medium	1551
11	68. Text Justification	Hard	1657
12	76. Minimum Window Substring	Hard	1890
13	78. Subsets	Medium	1416
14	88. Merge Sorted Array	Easy	1165
15	98. Validate Binary Search Tree	Medium	1490
16	102. Binary Tree Level Order Traversal	Medium	1308
17	124. Binary Tree Maximum Path Sum	Hard	1807
18	125. Valid Palindrome	Easy	1138
19	138. Copy List with Random Pointer	Medium	1618
20	139. Word Break	Medium	1673
21	146. LRU Cache	Medium	1793
22	199. Binary Tree Right Side View	Medium	1454
23	200. Number of Islands	Medium	1580
24	206. Reverse Linked List	Easy	1186
25	236. Lowest Common Ancestor of a Binary Tree	Medium	1660
26	238. Product of Array Except Self	Medium	1480
27	295. Find Median from Data Stream	Hard	1973
28	297. Serialize and Deserialize Binary Tree	Hard	1884
29	347. Top K Frequent Elements	Medium	1540
30	408. Valid Word Abbreviation	Easy	1239