Top Uber Questions

# Title Frequency Solution Acceptance Difficulty
# Title Frequency Solution Acceptance Difficulty
534 Design TinyURL 99 0.0%
1 Two Sum 99 Link 36.4%
13 Roman to Integer 99 47.0%
104 Maximum Depth of Binary Tree 95 53.6%
535 Encode and Decode TinyURL 94 Link 74.1%
206 Reverse Linked List 94 Link 46.3%
146 LRU Cache 94 18.9%
155 Min Stack 94 30.0%
23 Merge k Sorted Lists 92 Link 27.8%
121 Best Time to Buy and Sell Stock 91 Link 42.2%
10 Regular Expression Matching 89 Link 24.3%
202 Happy Number 89 41.1%
171 Excel Sheet Column Number 88 47.9%
17 Letter Combinations of a Phone Number 88 35.6%
138 Copy List with Random Pointer 87 26.0%
22 Generate Parentheses 86 Link 46.6%
139 Word Break 86 Link 30.9%
49 Group Anagrams 85 Link 36.8%
8 String to Integer (atoi) 85 13.9%
33 Search in Rotated Sorted Array 82 32.1%
36 Valid Sudoku 80 36.7%
242 Valid Anagram 80 Link 47.0%
54 Spiral Matrix 80 Link 26.7%
24 Swap Nodes in Pairs 73 38.8%
140 Word Break II 69 Link 24.0%
39 Combination Sum 68 40.2%
125 Valid Palindrome 68 26.7%
76 Minimum Window Substring 67 26.3%
37 Sudoku Solver 66 31.2%
297 Serialize and Deserialize Binary Tree 66 34.1%
78 Subsets 65 42.9%
290 Word Pattern 61 33.3%
91 Decode Ways 61 20.1%
208 Implement Trie (Prefix Tree) 61 Link 29.8%
133 Clone Graph 59 25.2%
230 Kth Smallest Element in a BST 57 44.6%
262 Trips and Users 54 18.4%
337 House Robber III 53 44.2%
161 One Edit Distance 50 31.6%
380 Insert Delete GetRandom O(1) 50 39.5%
207 Course Schedule 49 33.0%
516 Longest Palindromic Subsequence 43 42.6%
690 Employee Importance 43 Link 52.5%
266 Palindrome Permutation 40 Link 57.7%
291 Word Pattern II 39 38.1%
432 All O`one Data Structure 39 28.1%
450 Delete Node in a BST 35 37.2%
648 Replace Words 34 Link 47.4%
249 Group Shifted Strings 33 43.0%
186 Reverse Words in a String II 30 28.1%
373 Find K Pairs with Smallest Sums 29 31.0%
692 Top K Frequent Words 27 Link 40.8%
636 Exclusive Time of Functions 25 Link 44.0%
254 Factor Combinations 23 43.5%
733 Flood Fill 15 Link 49.3%
735 Asteroid Collision 6 Link 37.0%
699 Falling Squares 2 Link 37.3%
# Title Frequency Solution Acceptance Difficulty
# Title Frequency Solution Acceptance Difficulty
161 One Edit Distance 50 31.6%
266 Palindrome Permutation 40 Link 57.7%
291 Word Pattern II 39 38.1%
249 Group Shifted Strings 33 43.0%
186 Reverse Words in a String II 30 28.1%
254 Factor Combinations 23 43.5%