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Transunion LeetCode Interview Questions

Practice 25 real coding problems frequently asked in Transunion technical interviews. Master these questions to ace your next Transunion software engineering interview.

8 Easy
12 Medium
5 Hard

Top Topics at Transunion

ArrayStringHash TableBreadth-First SearchSorting

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Transunion Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Word Ladder
100%
HardH
100%
Hash TableString+1
Solve→
Length of Last Word
98%
EasyE
98%
String
Solve→
Find Leaves of Binary Tree
91%
MediumM
91%
TreeDepth-First Search+1
Solve→
Find Longest Self-Contained Substring
89%
HardH
89%
Hash TableString+2
Solve→
Buildings With an Ocean View
80%
MediumM
80%
ArrayStack+1
Solve→
Longest Consecutive Sequence
77%
MediumM
77%
ArrayHash Table+1
Solve→
Reorganize String
76%
MediumM
76%
Hash TableString+4
Solve→
Jump Game
75%
MediumM
75%
ArrayDynamic Programming+1
Solve→
Remove Letter To Equalize Frequency
74%
EasyE
74%
Hash TableString+1
Solve→
Missing Ranges
69%
EasyE
69%
Array
Solve→
Move Zeroes
68%
EasyE
68%
ArrayTwo Pointers
Solve→
Expression Add Operators
64%
HardH
64%
MathString+1
Solve→
Add Strings
63%
EasyE
63%
MathString+1
Solve→
Minimum Absolute Difference
61%
EasyE
61%
ArraySorting
Solve→
Word Break
58%
MediumM
58%
ArrayHash Table+4
Solve→
Minimum Difference in Sums After Removal of Elements
57%
HardH
57%
ArrayDynamic Programming+1
Solve→
All O`one Data Structure
56%
HardH
56%
Hash TableLinked List+2
Solve→
Search Suggestions System
40%
MediumM
40%
ArrayString+4
Solve→
Binary Tree Zigzag Level Order Traversal
39%
MediumM
39%
TreeBreadth-First Search+1
Solve→
Remove All Adjacent Duplicates in String II
39%
MediumM
39%
StringStack
Solve→
Recyclable and Low Fat Products
36%
EasyE
36%
Database
Solve→
Rotting Oranges
35%
MediumM
35%
ArrayBreadth-First Search+1
Solve→
High Five
35%
EasyE
35%
ArrayHash Table+2
Solve→
Permutation in String
30%
MediumM
30%
Hash TableTwo Pointers+2
Solve→
Number of Islands
21%
MediumM
21%
ArrayDepth-First Search+3
Solve→

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Frequently Asked Questions

What LeetCode problems does Transunion ask in interviews?

Transunion commonly asks 25 coding problems in technical interviews, including Word Ladder, Length of Last Word, Find Leaves of Binary Tree. The difficulty breakdown is 8 Easy, 12 Medium, and 5 Hard problems.

How should I prepare for a Transunion coding interview?

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

What is the difficulty level of Transunion coding interviews?

Based on our data, Transunion interviews include 8 Easy (32%), 12 Medium (48%), and 5 Hard (20%) problems.

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