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Mollie LeetCode Interview Questions

Practice 39 real coding problems frequently asked in Mollie technical interviews. Master these questions to ace your next Mollie software engineering interview.

10 Easy
24 Medium
5 Hard

Top Topics at Mollie

ArrayHash TableStringBinary SearchBreadth-First Search

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Mollie Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Continuous Subarrays
100%
MediumM
100%
ArrayQueue+4
Solve→
Nested List Weight Sum
95%
MediumM
95%
Depth-First SearchBreadth-First Search
Solve→
Regular Expression Matching
95%
HardH
95%
StringDynamic Programming+1
Solve→
Check If a Word Occurs As a Prefix of Any Word in a Sentence
93%
EasyE
93%
Two PointersString+1
Solve→
Daily Temperatures
84%
MediumM
84%
ArrayStack+1
Solve→
Find K Pairs with Smallest Sums
84%
MediumM
84%
ArrayHeap (Priority Queue)
Solve→
Add Strings
83%
EasyE
83%
MathString+1
Solve→
Integer to Roman
81%
MediumM
81%
Hash TableMath+1
Solve→
Vertical Order Traversal of a Binary Tree
80%
HardH
80%
Hash TableTree+4
Solve→
Roman to Integer
79%
EasyE
79%
Hash TableMath+1
Solve→
Course Schedule
76%
MediumM
76%
Depth-First SearchBreadth-First Search+2
Solve→
Maximum Subarray
73%
MediumM
73%
ArrayDivide and Conquer+1
Solve→
Jump Game
70%
MediumM
70%
ArrayDynamic Programming+1
Solve→
Check Completeness of a Binary Tree
70%
MediumM
70%
TreeBreadth-First Search+1
Solve→
Design an Array Statistics Tracker
70%
HardH
70%
Hash TableBinary Search+5
Solve→
Binary Tree Zigzag Level Order Traversal
69%
MediumM
69%
TreeBreadth-First Search+1
Solve→
Maximum Units on a Truck
68%
EasyE
68%
ArrayGreedy+1
Solve→
Gas Station
63%
MediumM
63%
ArrayGreedy
Solve→
Single Number
63%
EasyE
63%
ArrayBit Manipulation
Solve→
Missing Ranges
60%
EasyE
60%
Array
Solve→
Shortest Path in Binary Matrix
59%
MediumM
59%
ArrayBreadth-First Search+1
Solve→
Find Score of an Array After Marking All Elements
56%
MediumM
56%
ArrayHash Table+3
Solve→
Design Hit Counter
55%
MediumM
55%
ArrayBinary Search+3
Solve→
Find First and Last Position of Element in Sorted Array
54%
MediumM
54%
ArrayBinary Search
Solve→
Design HashMap
52%
EasyE
52%
ArrayHash Table+3
Solve→

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Is Subsequence
48%
EasyE
48%
Two PointersString+1
Solve→
Meeting Rooms II
46%
MediumM
46%
ArrayTwo Pointers+4
Solve→
The Earliest Moment When Everyone Become Friends
43%
MediumM
43%
ArrayUnion Find+1
Solve→
Maximum Size Subarray Sum Equals k
43%
MediumM
43%
ArrayHash Table+1
Solve→
Valid Palindrome
40%
EasyE
40%
Two PointersString
Solve→
Max Consecutive Ones III
37%
MediumM
37%
ArrayBinary Search+2
Solve→
K-diff Pairs in an Array
37%
MediumM
37%
ArrayHash Table+3
Solve→
Search a 2D Matrix
31%
MediumM
31%
ArrayBinary Search+1
Solve→
Flip Columns For Maximum Number of Equal Rows
31%
MediumM
31%
ArrayHash Table+1
Solve→
Word Break II
29%
HardH
29%
ArrayHash Table+5
Solve→
Kth Missing Positive Number
27%
EasyE
27%
ArrayBinary Search
Solve→
Boundary of Binary Tree
26%
MediumM
26%
TreeDepth-First Search+1
Solve→
Search in Rotated Sorted Array
26%
MediumM
26%
ArrayBinary Search
Solve→
Basic Calculator
20%
HardH
20%
MathString+2
Solve→

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Frequently Asked Questions

What LeetCode problems does Mollie ask in interviews?

Mollie commonly asks 39 coding problems in technical interviews, including Continuous Subarrays, Nested List Weight Sum, Regular Expression Matching. The difficulty breakdown is 10 Easy, 24 Medium, and 5 Hard problems.

How should I prepare for a Mollie coding interview?

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

What is the difficulty level of Mollie coding interviews?

Based on our data, Mollie interviews include 10 Easy (26%), 24 Medium (62%), and 5 Hard (13%) problems.

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