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Nubank LeetCode Interview Questions

Practice 43 real coding problems frequently asked in Nubank technical interviews. Master these questions to ace your next Nubank software engineering interview.

10 Easy
24 Medium
9 Hard

Top Topics at Nubank

ArrayHash TableStringTwo PointersDepth-First Search

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Nubank Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Boundary of Binary Tree
100%
MediumM
100%
TreeDepth-First Search+1
Solve→
Permutations
92%
MediumM
92%
ArrayBacktracking
Solve→
Sqrt(x)
90%
EasyE
90%
MathBinary Search
Solve→
Find Score of an Array After Marking All Elements
83%
MediumM
83%
ArrayHash Table+3
Solve→
Dot Product of Two Sparse Vectors
81%
MediumM
81%
ArrayHash Table+2
Solve→
Fraction to Recurring Decimal
81%
MediumM
81%
Hash TableMath+1
Solve→
Median of Two Sorted Arrays
79%
HardH
79%
ArrayBinary Search+1
Solve→
Valid Sudoku
77%
MediumM
77%
ArrayHash Table+1
Solve→
Nested List Weight Sum
72%
MediumM
72%
Depth-First SearchBreadth-First Search
Solve→
Frequency of the Most Frequent Element
69%
MediumM
69%
ArrayBinary Search+4
Solve→
K-diff Pairs in an Array
68%
MediumM
68%
ArrayHash Table+3
Solve→
Find First and Last Position of Element in Sorted Array
67%
MediumM
67%
ArrayBinary Search
Solve→
Minimum Area Rectangle
66%
MediumM
66%
ArrayHash Table+3
Solve→
Valid Word Abbreviation
64%
EasyE
64%
Two PointersString
Solve→
Max Stack
58%
HardH
58%
Linked ListStack+3
Solve→
Word Ladder
57%
HardH
57%
Hash TableString+1
Solve→
Make String a Subsequence Using Cyclic Increments
56%
MediumM
56%
Two PointersString
Solve→
Basic Calculator II
54%
MediumM
54%
MathString+1
Solve→
Valid Palindrome
53%
EasyE
53%
Two PointersString
Solve→
Random Pick Index
47%
MediumM
47%
Hash TableMath+2
Solve→
Range Sum of BST
46%
EasyE
46%
TreeDepth-First Search+2
Solve→
Roman to Integer
45%
EasyE
45%
Hash TableMath+1
Solve→
Length of Last Word
45%
EasyE
45%
String
Solve→
Longest Increasing Path in a Matrix
44%
HardH
44%
ArrayDynamic Programming+6
Solve→
Majority Element
44%
EasyE
44%
ArrayHash Table+3
Solve→

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Diameter of Binary Tree
40%
EasyE
40%
TreeDepth-First Search+1
Solve→
Remove Letter To Equalize Frequency
37%
EasyE
37%
Hash TableString+1
Solve→
Word Pattern II
35%
MediumM
35%
Hash TableString+1
Solve→
First Missing Positive
34%
HardH
34%
ArrayHash Table
Solve→
Lowest Common Ancestor of a Binary Tree III
34%
MediumM
34%
Hash TableTwo Pointers+2
Solve→
Coin Change II
32%
MediumM
32%
ArrayDynamic Programming
Solve→
Find K Closest Elements
26%
MediumM
26%
ArrayTwo Pointers+4
Solve→
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
25%
MediumM
25%
ArrayQueue+4
Solve→
Find Longest Self-Contained Substring
25%
HardH
25%
Hash TableString+2
Solve→
Largest Rectangle in Histogram
24%
HardH
24%
ArrayStack+1
Solve→
Digit Operations to Make Two Integers Equal
24%
MediumM
24%
MathGraph+3
Solve→
All O`one Data Structure
24%
HardH
24%
Hash TableLinked List+2
Solve→
All Nodes Distance K in Binary Tree
23%
MediumM
23%
Hash TableTree+3
Solve→
Find the Index of the First Occurrence in a String
23%
EasyE
23%
Two PointersString+1
Solve→
Shortest Word Distance II
22%
MediumM
22%
ArrayHash Table+3
Solve→
K Inverse Pairs Array
21%
HardH
21%
Dynamic Programming
Solve→
Maximum Sum of Distinct Subarrays With Length K
21%
MediumM
21%
ArrayHash Table+1
Solve→
Evaluate Division
21%
MediumM
21%
ArrayString+5
Solve→

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Frequently Asked Questions

What LeetCode problems does Nubank ask in interviews?

Nubank commonly asks 43 coding problems in technical interviews, including Boundary of Binary Tree, Permutations, Sqrt(x). The difficulty breakdown is 10 Easy, 24 Medium, and 9 Hard problems.

How should I prepare for a Nubank coding interview?

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

What is the difficulty level of Nubank coding interviews?

Based on our data, Nubank interviews include 10 Easy (23%), 24 Medium (56%), and 9 Hard (21%) problems.

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