Last Updated: 15 Mar, 2026

Spinny Interview Questions

Ace the Spinny coding interview by solving the Spinny interview questions exclusively on CodeStudio with a range of practice problems.

Problem Title

Exp

Difficulty

Avg. time

Attempted

Upvotes

80

Moderate

30 mins

29k

62

Cycle Detection in a Singly Linked List

80

Moderate

15 mins

69.8k

196

Longest Substring Without Repeating Characters

80

Moderate

30 mins

37.6k

148

Search In Rotated Sorted Array

80

Moderate

30 mins

49.5k

384

Longest Increasing Subsequence

80

Moderate

30 mins

112.5k

279

Trapping Rain Water

80

Moderate

15 mins

33.2k

223

Reverse Stack Using Recursion

40

Easy

21 mins

72.9k

398

40

Easy

15 mins

162.5k

3.2 k

Longest Substring Without Repeating Characters

80

Moderate

20 mins

8.5k

77

Day 13 : All Possible Permutations - String

40

Easy

30 mins

16.1k

132

Longest Consecutive Sequence

80

Moderate

40 mins

44.2k

221

Count Ways To Reach The N-th Stairs

80

Moderate

30 mins

94k

593

40

Easy

10 mins

54.4k

1.7 k

80

Moderate

15 mins

9.9k

62

Segregate Odd-Even

80

Moderate

25 mins

3.6k

18

Maximum of minimum for every window size

120

Hard

45 mins

20.4k

225

Letter Combinations of a Phone Number

80

Moderate

35 mins

6.9k

45

Maximum of All Subarrays of Size K

40

Easy

15 mins

3.7k

32

Search In Rotated Sorted Array

40

Easy

12 mins

132.4k

666

Move All Negative Numbers To Beginning And Positive To End

40

Easy

10 mins

38.7k

198

N Stacks In An Array

120

Hard

20 mins

30.4k

302

Job Sequencing Problem

80

Moderate

30 mins

24k

142

Merge Two Sorted Arrays

80

Moderate

15 mins

39.8k

272

Flatten 2D array

40

Easy

20 mins

0.2k

1

Create Target Array

120

Hard

35 mins

0.9k

10

1

2