Top Uber Coding Interview Questions
Topics
Company
Difficulty
Problem Title
Difficulty
Avg Time to solve
Attempted
Implementation: HashMap
22
Moderate
30 mins
83
Find Number Of Islands
4
Moderate
34 mins
148
Smallest Subarray With K Distinct Elements
16
Easy
20 mins
111
Implement Trie
1
Hard
41 mins
38
LRU Cache Implementation
7
Moderate
25 mins
110
Sudoku?
61
Moderate
40 mins
177
Longest Consecutive Sequence
12
Moderate
40 mins
330
Right View
2
Moderate
35 mins
131
Distinct Subsequences
9
Moderate
10 mins
245
Execution Time
0
Moderate
15 mins
34
House Robber
1
Moderate
15 mins
171
Algorithm to find best insert position in sorted array
4
Easy
10 mins
111
Print Nodes at Distance K From a Given Node
3
Moderate
20 mins
68
Next Permutation
2
Moderate
15 mins
83
Serialize/Deserialize The Binary Tree
3
Hard
15 mins
71
Deepest Left
2
Moderate
15 mins
89
Add One to Linked List
4
Easy
10 mins
115
Bipartite Graph
16
Moderate
50 mins
106
Check N numbers
1
Moderate
10 mins
19
Squares of a Sorted Array
2
Easy
15 mins
99
Settle Debt
2
Hard
20 mins
21
Binary Tree Cameras
5
Hard
50 mins
35
Search In A 2D Matrix
1
Easy
10 mins
87
Combination Sum
4
Easy
15 mins
24
Roman Numeral To Integer
1
Easy
15 mins
52
Implementation: HashMap NEW
Moderate
22 upvotes
Find Number Of Islands NEW
Moderate
4 upvotes
Smallest Subarray With K Distinct Elements NEW
Easy
16 upvotes
Implement Trie NEW
Hard
1 upvote
LRU Cache Implementation NEW
Moderate
7 upvotes
Sudoku? NEW
Moderate
61 upvotes
Longest Consecutive Sequence NEW
Moderate
12 upvotes
Right View NEW
Moderate
2 upvotes
Distinct Subsequences NEW
Moderate
9 upvotes
Execution Time NEW
Moderate
0 upvotes
House Robber NEW
Moderate
1 upvote
Algorithm to find best insert position in sorted array NEW
Easy
4 upvotes
Print Nodes at Distance K From a Given Node NEW
Moderate
3 upvotes
Next Permutation NEW
Moderate
2 upvotes
Serialize/Deserialize The Binary Tree NEW
Hard
3 upvotes
Deepest Left NEW
Moderate
2 upvotes
Add One to Linked List NEW
Easy
4 upvotes
Bipartite Graph NEW
Moderate
16 upvotes
Check N numbers NEW
Moderate
1 upvote
Squares of a Sorted Array NEW
Easy
2 upvotes
Settle Debt NEW
Hard
2 upvotes
Binary Tree Cameras NEW
Hard
5 upvotes
Search In A 2D Matrix NEW
Easy
1 upvote
Combination Sum NEW
Easy
4 upvotes
Roman Numeral To Integer NEW
Easy
1 upvote
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