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Meta Top 30 — CaffeCode
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Meta Top 30
30 most frequently asked problems at Meta interviews.
30 道題目
#
題目
難度
Rating
1
1249. Minimum Remove to Make Valid Parentheses
Medium
1657
2
314. Binary Tree Vertical Order Traversal
Medium
—
3
680. Valid Palindrome II
Easy
1290
4
88. Merge Sorted Array
Easy
1165
5
215. Kth Largest Element in an Array
Medium
1508
6
1650. Lowest Common Ancestor of a Binary Tree III
Medium
—
7
408. Valid Word Abbreviation
Easy
1239
8
528. Random Pick with Weight
Medium
1416
9
50. Pow(x, n)
Medium
1460
10
162. Find Peak Element
Medium
1536
11
560. Subarray Sum Equals K
Medium
1621
12
236. Lowest Common Ancestor of a Binary Tree
Medium
1660
13
125. Valid Palindrome
Easy
1138
14
199. Binary Tree Right Side View
Medium
1454
15
146. LRU Cache
Medium
1793
16
543. Diameter of Binary Tree
Easy
1287
17
23. Merge K Sorted Lists
Hard
1893
18
56. Merge Intervals
Medium
1551
19
138. Copy List with Random Pointer
Medium
1618
20
973. K Closest Points to Origin
Medium
1470
21
721. Accounts Merge
Medium
1664
22
76. Minimum Window Substring
Hard
1890
23
297. Serialize and Deserialize Binary Tree
Hard
1884
24
1091. Shortest Path in Binary Matrix
Medium
1655
25
15. 3Sum
Medium
1711
26
239. Sliding Window Maximum
Hard
1860
27
1762. Buildings With an Ocean View
Medium
—
28
224. Basic Calculator
Hard
2010
29
124. Binary Tree Maximum Path Sum
Hard
1807
30
295. Find Median from Data Stream
Hard
1973