Top Google Coding Interview Questions
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Difficulty Moderate
Ninja
Hard
Easy
Problem Title
Difficulty
Avg Time to solve
Attempted
Check for Duplicate Subtree
1
Hard
15 mins
75
Increasing Path In Matrix
8
Moderate
25 mins
93
Pascal's Triangle
8
Easy
20 mins
328
Generate all binary strings from pattern
2
Moderate
10 mins
124
Longest Valid Parentheses
2
Moderate
10 mins
90
Disjoint Intervals
1
Moderate
30 mins
43
Painter's Partition Problem
11
Moderate
25 mins
382
Meta Strings
1
Easy
10 mins
46
Find Kth row of Pascal's Triangle
4
Easy
15 mins
40
Optimal Superstring
6
Hard
10 mins
54
Cut The Paper
1
Hard
10 mins
72
Different Bits Sum Pairwise
1
Easy
15 mins
36
Merge overlapping intervals
6
Easy
10 mins
73
Intersection Of Two Arrays
8
Easy
10 mins
279
Jumping Numbers
9
Hard
10 mins
113
Modular Exponentiation
4
Easy
15 mins
306
Pairwise Sum of Hamming Distance
1
Moderate
30 mins
46
Three Pointer.
6
Moderate
15 mins
37
Find Peak Element
6
Easy
15 mins
138
Sum Of Max And Min
7
Easy
10 mins
137
Total Unique Paths
9
Moderate
25 mins
521
Sum of Bit Difference Among all Pairs
2
Easy
15 mins
66
Minimum Parentheses
13
Easy
10 mins
66
Water flow
4
Hard
10 mins
37
Largest rectangle in a histogram
2
Hard
25 mins
151
Check for Duplicate Subtree
Hard
1 upvote
Increasing Path In Matrix
Moderate
8 upvotes
Pascal's Triangle
Easy
8 upvotes
Generate all binary strings from pattern
Moderate
2 upvotes
Longest Valid Parentheses
Moderate
2 upvotes
Disjoint Intervals
Moderate
1 upvote
Painter's Partition Problem
Moderate
11 upvotes
Meta Strings
Easy
1 upvote
Find Kth row of Pascal's Triangle
Easy
4 upvotes
Optimal Superstring
Hard
6 upvotes
Cut The Paper
Hard
1 upvote
Different Bits Sum Pairwise
Easy
1 upvote
Merge overlapping intervals
Easy
6 upvotes
Intersection Of Two Arrays
Easy
8 upvotes
Jumping Numbers
Hard
9 upvotes
Modular Exponentiation
Easy
4 upvotes
Pairwise Sum of Hamming Distance
Moderate
1 upvote
Three Pointer.
Moderate
6 upvotes
Find Peak Element
Easy
6 upvotes
Sum Of Max And Min
Easy
7 upvotes
Total Unique Paths
Moderate
9 upvotes
Sum of Bit Difference Among all Pairs
Easy
2 upvotes
Minimum Parentheses
Easy
13 upvotes
Water flow
Hard
4 upvotes
Largest rectangle in a histogram
Hard
2 upvotes
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