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Gocardless LeetCode Interview Questions

Practice 48 real coding problems frequently asked in Gocardless technical interviews. Master these questions to ace your next Gocardless software engineering interview.

15 Easy
25 Medium
8 Hard

Top Topics at Gocardless

ArrayStringHash TableSortingTwo Pointers

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Gocardless Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Integer to English Words
100%
HardH
100%
MathString+1
Solve→
Top K Frequent Elements
98%
MediumM
98%
ArrayHash Table+6
Solve→
Zigzag Conversion
91%
MediumM
91%
String
Solve→
Container With Most Water
86%
MediumM
86%
ArrayTwo Pointers+1
Solve→
Adding Spaces to a String
84%
MediumM
84%
ArrayTwo Pointers+2
Solve→
Toeplitz Matrix
82%
EasyE
82%
ArrayMatrix
Solve→
Merge Sorted Array
82%
EasyE
82%
ArrayTwo Pointers+1
Solve→
Clone Graph
81%
MediumM
81%
Hash TableDepth-First Search+2
Solve→
Binary Search Tree Iterator
75%
MediumM
75%
StackTree+4
Solve→
Merge Two Sorted Lists
74%
EasyE
74%
Linked ListRecursion
Solve→
Group Anagrams
72%
MediumM
72%
ArrayHash Table+2
Solve→
Remove Letter To Equalize Frequency
70%
EasyE
70%
Hash TableString+1
Solve→
Check If a Word Occurs As a Prefix of Any Word in a Sentence
67%
EasyE
67%
Two PointersString+1
Solve→
Remove Duplicates from Sorted Array II
62%
MediumM
62%
ArrayTwo Pointers
Solve→
Koko Eating Bananas
61%
MediumM
61%
ArrayBinary Search
Solve→
Insert Delete GetRandom O(1)
60%
MediumM
60%
ArrayHash Table+3
Solve→
Counting Bits
58%
EasyE
58%
Dynamic ProgrammingBit Manipulation
Solve→
Two City Scheduling
56%
MediumM
56%
ArrayGreedy+1
Solve→
Merge Intervals
55%
MediumM
55%
ArraySorting
Solve→
Search Insert Position
55%
EasyE
55%
ArrayBinary Search
Solve→
Line Reflection
53%
MediumM
53%
ArrayHash Table+1
Solve→
Construct Quad Tree
53%
MediumM
53%
ArrayDivide and Conquer+2
Solve→
Sort Integers by The Power Value
52%
MediumM
52%
Dynamic ProgrammingMemoization+1
Solve→
House Robber
51%
MediumM
51%
ArrayDynamic Programming
Solve→
IP to CIDR
50%
MediumM
50%
StringBit Manipulation
Solve→

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Can Place Flowers
50%
EasyE
50%
ArrayGreedy
Solve→
Valid Palindrome III
48%
HardH
48%
StringDynamic Programming
Solve→
Isomorphic Strings
47%
EasyE
47%
Hash TableString
Solve→
Design an Array Statistics Tracker
47%
HardH
47%
Hash TableBinary Search+5
Solve→
Rotting Oranges
44%
MediumM
44%
ArrayBreadth-First Search+1
Solve→
Final Array State After K Multiplication Operations I
44%
EasyE
44%
ArrayMath+2
Solve→
Permutations
42%
MediumM
42%
ArrayBacktracking
Solve→
Maximum Area Rectangle With Point Constraints I
42%
MediumM
42%
ArrayMath+5
Solve→
Number of Islands
41%
MediumM
41%
ArrayDepth-First Search+3
Solve→
Reverse Integer
40%
MediumM
40%
Math
Solve→
K Inverse Pairs Array
35%
HardH
35%
Dynamic Programming
Solve→
Trapping Rain Water
34%
HardH
34%
ArrayTwo Pointers+3
Solve→
Range Sum of BST
33%
EasyE
33%
TreeDepth-First Search+2
Solve→
Valid Palindrome
32%
EasyE
32%
Two PointersString
Solve→
Shortest Palindrome
31%
HardH
31%
StringRolling Hash+2
Solve→
Check If N and Its Double Exist
28%
EasyE
28%
ArrayHash Table+3
Solve→
Implement Queue using Stacks
27%
EasyE
27%
StackDesign+1
Solve→
Remove All Adjacent Duplicates in String II
26%
MediumM
26%
StringStack
Solve→
Minimum Operations to Make Character Frequencies Equal
26%
HardH
26%
Hash TableString+3
Solve→
Best Time to Buy and Sell Stock IV
25%
HardH
25%
ArrayDynamic Programming
Solve→
Find First and Last Position of Element in Sorted Array
25%
MediumM
25%
ArrayBinary Search
Solve→
K-diff Pairs in an Array
25%
MediumM
25%
ArrayHash Table+3
Solve→
High Five
24%
EasyE
24%
ArrayHash Table+2
Solve→

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Frequently Asked Questions

What LeetCode problems does Gocardless ask in interviews?

Gocardless commonly asks 48 coding problems in technical interviews, including Integer to English Words, Top K Frequent Elements, Zigzag Conversion. The difficulty breakdown is 15 Easy, 25 Medium, and 8 Hard problems.

How should I prepare for a Gocardless coding interview?

Focus on the most frequently asked problems first, especially those with high frequency scores. Gocardless interviews typically emphasize Array and String. Practice explaining your thought process while coding.

What is the difficulty level of Gocardless coding interviews?

Based on our data, Gocardless interviews include 15 Easy (31%), 25 Medium (52%), and 8 Hard (17%) problems.

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