Grokking the Coding Interview: Patterns for Coding Questions
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Better Solution w/ Time Complexity O(N), Space complexity O(1)

kfaham

Jul 29, 2025

0

12

0

Jul 29, 2025

Task lacks constraints or is incorrect

Denys Stopkin

Jul 20, 2025

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6

0

Jul 20, 2025

Cycle in a Circular Array, An Alternate Approach :O(N) fails for [2, 2, -3, -1]

Ashutosh Kumar

Apr 23, 2025

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6

0

Apr 23, 2025

Better solution

Ankit Joshi

Apr 20, 2025

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16

1

Apr 20, 2025

I think I might have a solution with O(N) time complexity and O(1) space time complexity

PARUNIDAN V K

Apr 9, 2025

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12

1

Apr 20, 2025

In C++ alternative solution, negative index calculation should be corrected.

Kai

Apr 1, 2025

0

3

0

Apr 1, 2025

Alternate Solution Wrong. Here the counterexample:

subscriptions.michel

Mar 11, 2025

1

10

0

Apr 24, 2025

the official solution is buggy please see why with my solution

Mohammed Dh Abbas

Jul 7, 2024

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71

1

Aug 15, 2024

Wrong Example

John Snow

Jan 6, 2024

0

100

1

Jan 9, 2024

There may be a bug in the final soln

kfaham

Nov 30, 2023

1

64

1

Jan 20, 2025

why are we checking for direction again when calculating nextIndex?

Aniket Joshi

Jul 16, 2023

0

48

0

Jul 16, 2023

use a hash

Yuqi

Feb 28, 2023

0

63

0

Feb 28, 2023

It would be really helpful if code for Alternate Approach that improves algorith...

Naresh Ch

Jun 28, 2022

8

98

0

Aug 18, 2024

The test Java code runs, but when I do a walk through of the second array the fi...

Ben

May 4, 2022

0

41

0

Jun 28, 2022