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Iqvia LeetCode Interview Questions

Practice 31 real coding problems frequently asked in Iqvia technical interviews. Master these questions to ace your next Iqvia software engineering interview.

8 Easy
18 Medium
5 Hard

Top Topics at Iqvia

ArrayHash TableStringTwo PointersDynamic Programming

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Iqvia Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Nested List Weight Sum II
100%
MediumM
100%
StackDepth-First Search+1
Solve→
Minimum Array Sum
94%
MediumM
94%
ArrayDynamic Programming
Solve→
Check If a Word Occurs As a Prefix of Any Word in a Sentence
89%
EasyE
89%
Two PointersString+1
Solve→
Asteroid Collision
80%
MediumM
80%
ArrayStack+1
Solve→
Two Sum II - Input Array Is Sorted
79%
MediumM
79%
ArrayTwo Pointers+1
Solve→
Decode String
77%
MediumM
77%
StringStack+1
Solve→
Invalid Transactions
75%
MediumM
75%
ArrayHash Table+2
Solve→
Unique Paths
74%
MediumM
74%
MathDynamic Programming+1
Solve→
All O`one Data Structure
71%
HardH
71%
Hash TableLinked List+2
Solve→
Subsets
70%
MediumM
70%
ArrayBacktracking+1
Solve→
Longest Increasing Path in a Matrix
70%
HardH
70%
ArrayDynamic Programming+6
Solve→
Construct String With Repeat Limit
68%
MediumM
68%
Hash TableString+3
Solve→
Find K Closest Elements
67%
MediumM
67%
ArrayTwo Pointers+4
Solve→
Coin Change II
65%
MediumM
65%
ArrayDynamic Programming
Solve→
Remove Duplicates from Sorted Array
63%
EasyE
63%
ArrayTwo Pointers
Solve→
Maximum Sum of Distinct Subarrays With Length K
61%
MediumM
61%
ArrayHash Table+1
Solve→
Count Unhappy Friends
60%
MediumM
60%
ArraySimulation
Solve→
Roman to Integer
57%
EasyE
57%
Hash TableMath+1
Solve→
Line Reflection
56%
MediumM
56%
ArrayHash Table+1
Solve→
Kth Smallest Element in a Sorted Matrix
56%
MediumM
56%
ArrayBinary Search+3
Solve→
Number of Islands II
50%
HardH
50%
ArrayHash Table+1
Solve→
Integer to Roman
50%
MediumM
50%
Hash TableMath+1
Solve→
Check Completeness of a Binary Tree
49%
MediumM
49%
TreeBreadth-First Search+1
Solve→
Squares of a Sorted Array
39%
EasyE
39%
ArrayTwo Pointers+1
Solve→
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
37%
MediumM
37%
ArrayQueue+4
Solve→

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Valid Palindrome III
37%
HardH
37%
StringDynamic Programming
Solve→
Merge Two Sorted Lists
36%
EasyE
36%
Linked ListRecursion
Solve→
Find Median from Data Stream
27%
HardH
27%
Two PointersDesign+3
Solve→
Linked List Cycle
24%
EasyE
24%
Hash TableLinked List+1
Solve→
Check if One String Swap Can Make Strings Equal
22%
EasyE
22%
Hash TableString+1
Solve→
Remove All Adjacent Duplicates In String
22%
EasyE
22%
StringStack
Solve→

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Frequently Asked Questions

What LeetCode problems does Iqvia ask in interviews?

Iqvia commonly asks 31 coding problems in technical interviews, including Nested List Weight Sum II, Minimum Array Sum, Check If a Word Occurs As a Prefix of Any Word in a Sentence. The difficulty breakdown is 8 Easy, 18 Medium, and 5 Hard problems.

How should I prepare for a Iqvia coding interview?

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

What is the difficulty level of Iqvia coding interviews?

Based on our data, Iqvia interviews include 8 Easy (26%), 18 Medium (58%), and 5 Hard (16%) problems.

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