Top Uber Coding Interview Questions
Topics
Company
Difficulty
Problem Title
Difficulty
Avg Time to solve
Attempted
Implementation: HashMap
10
Easy
10 mins
12
Find Number of Islands
2
Moderate
34 mins
44
Smallest Subarray with K Distinct Elements
9
Easy
20 mins
37
Implement Trie
0
Hard
41 mins
17
LRU Cache Implementation
2
Moderate
25 mins
28
Sudoku?
56
+4
Moderate
40 mins
139
Longest Consecutive Sequence
5
+1
Moderate
40 mins
117
Right View
1
Moderate
35 mins
54
Distinct Subsequences
2
Easy
10 mins
57
Execution Time
0
Easy
15 mins
24
House Robber
1
Easy
15 mins
70
Algorithm to find best insert position in sorted array
0
Easy
10 mins
59
Print Nodes at distance K from a given node
2
Easy
20 mins
30
Next Permutation
2
Easy
15 mins
28
Serialize/Deserialize The Binary Tree
3
+2
Easy
15 mins
13
Deepest Left
1
Easy
15 mins
26
Add One to Linked List
1
Easy
10 mins
67
Check Graph is Bipartite or not
4
Hard
50 mins
37
Check N numbers
1
Easy
10 mins
13
Squares of a Sorted Array
0
Easy
15 mins
32
Settle Debt
0
Easy
20 mins
6
Binary Tree Cameras
2
Hard
50 mins
8
Search in a 2D matrix
0
Easy
10 mins
21
Combination Sum
1
Easy
15 mins
8
Roman Numeral To Integer
1
Easy
15 mins
34
Implementation: HashMap NEW
Easy
+1
10 upvotes
Find Number of Islands NEW
Moderate
+2
2 upvotes
Smallest Subarray with K Distinct Elements NEW
Easy
9 upvotes
Implement Trie NEW
Hard
+1
0 upvotes
LRU Cache Implementation NEW
Moderate
+1
2 upvotes
Sudoku? NEW
Moderate
+6
56 upvotes
Longest Consecutive Sequence NEW
Moderate
+3
5 upvotes
Right View NEW
Moderate
+2
1 upvote
Distinct Subsequences NEW
Easy
+1
2 upvotes
Execution Time NEW
Easy
+1
0 upvotes
House Robber NEW
Easy
1 upvote
Algorithm to find best insert position in sorted array NEW
Easy
0 upvotes
Print Nodes at distance K from a given node NEW
Easy
+1
2 upvotes
Next Permutation NEW
Easy
2 upvotes
Serialize/Deserialize The Binary Tree NEW
Easy
+4
3 upvotes
Deepest Left NEW
Easy
1 upvote
Add One to Linked List NEW
Easy
1 upvote
Check Graph is Bipartite or not NEW
Hard
+1
4 upvotes
Check N numbers NEW
Easy
1 upvote
Squares of a Sorted Array NEW
Easy
0 upvotes
Settle Debt NEW
Easy
+2
0 upvotes
Binary Tree Cameras NEW
Hard
+1
2 upvotes
Search in a 2D matrix NEW
Easy
0 upvotes
Combination Sum NEW
Easy
1 upvote
Roman Numeral To Integer NEW
Easy
+2
1 upvote
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