Top Google Coding Interview Questions
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Problem Title
Difficulty
Avg Time to solve
Attempted
Order of People Heights
122
Ninja
45 mins
597
Maximum Distance
43
Moderate
15 mins
924
Longest Repeating Subsequence
15
Moderate
15 mins
563
Clone Graph
22
Moderate
25 mins
654
Sub Matrices With Sum Zero
11
Moderate
15 mins
149
Regular Expression Matching
17
Hard
25 mins
383
Word Ladder
12
Hard
10 mins
244
Allocate Books
96
Moderate
10 mins
6821
BST queries
26
Easy
10 mins
521
Sum root to leaf
33
Easy
10 mins
1172
Word Search - lll
2
Moderate
20 mins
156
Shortest Alternating Path
5
Moderate
10 mins
61
All Unique Permutations
8
Easy
15 mins
497
Shortest Unique Prefix
7
Moderate
15 mins
103
Largest Distance Between Two Nodes In A Tree
5
Moderate
15 mins
146
Maximum Points On Straight Line
8
Hard
10 mins
281
Single Number II
11
Easy
15 mins
523
Least Common Ancestor
7
Moderate
25 mins
288
Justify Text
7
Hard
35 mins
94
Capture region
5
Moderate
10 mins
89
Four Keys Keyboard
4
Moderate
30 mins
141
Total Strings
2
Moderate
15 mins
1731
Insertion Sort in Linked List
6
Easy
10 mins
207
Allocate Books
135
Moderate
10 mins
5944
Flood Fill Algorithm
17
Moderate
10 mins
1056
Order of People Heights NEW
Ninja
122 upvotes
Maximum Distance NEW
Moderate
43 upvotes
Longest Repeating Subsequence NEW
Moderate
15 upvotes
Clone Graph NEW
Moderate
22 upvotes
Sub Matrices With Sum Zero NEW
Moderate
11 upvotes
Regular Expression Matching NEW
Hard
17 upvotes
Word Ladder NEW
Hard
12 upvotes
Allocate Books NEW
Moderate
96 upvotes
BST queries NEW
Easy
26 upvotes
Sum root to leaf NEW
Easy
33 upvotes
Word Search - lll NEW
Moderate
2 upvotes
Shortest Alternating Path NEW
Moderate
5 upvotes
All Unique Permutations NEW
Easy
8 upvotes
Shortest Unique Prefix NEW
Moderate
7 upvotes
Largest Distance Between Two Nodes In A Tree NEW
Moderate
5 upvotes
Maximum Points On Straight Line NEW
Hard
8 upvotes
Single Number II NEW
Easy
11 upvotes
Least Common Ancestor NEW
Moderate
7 upvotes
Justify Text NEW
Hard
7 upvotes
Capture region NEW
Moderate
5 upvotes
Four Keys Keyboard NEW
Moderate
4 upvotes
Total Strings NEW
Moderate
2 upvotes
Insertion Sort in Linked List NEW
Easy
6 upvotes
Allocate Books NEW
Moderate
135 upvotes
Flood Fill Algorithm NEW
Moderate
17 upvotes
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