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L3harris LeetCode Interview Questions

Practice 46 real coding problems frequently asked in L3harris technical interviews. Master these questions to ace your next L3harris software engineering interview.

8 Easy
29 Medium
9 Hard

Top Topics at L3harris

ArrayHash TableSortingBinary SearchDynamic Programming

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L3harris Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Majority Element
100%
EasyE
100%
ArrayHash Table+3
Solve→
Continuous Subarray Sum
99%
MediumM
99%
ArrayHash Table+2
Solve→
Kth Missing Positive Number
96%
EasyE
96%
ArrayBinary Search
Solve→
Container With Most Water
93%
MediumM
93%
ArrayTwo Pointers+1
Solve→
Number of Distinct Islands
85%
MediumM
85%
Hash TableDepth-First Search+3
Solve→
Binary Tree Maximum Path Sum
84%
HardH
84%
Dynamic ProgrammingTree+2
Solve→
Capacity To Ship Packages Within D Days
84%
MediumM
84%
ArrayBinary Search
Solve→
Largest Rectangle in Histogram
83%
HardH
83%
ArrayStack+1
Solve→
Integer to English Words
83%
HardH
83%
MathString+1
Solve→
Palindromic Substrings
83%
MediumM
83%
Two PointersString+1
Solve→
Continuous Subarrays
81%
MediumM
81%
ArrayQueue+4
Solve→
Longest Consecutive Sequence
80%
MediumM
80%
ArrayHash Table+1
Solve→
Median of Two Sorted Arrays
77%
HardH
77%
ArrayBinary Search+1
Solve→
Flip Columns For Maximum Number of Equal Rows
71%
MediumM
71%
ArrayHash Table+1
Solve→
Number of Islands II
60%
HardH
60%
ArrayHash Table+1
Solve→
Analyze User Website Visit Pattern
59%
MediumM
59%
ArrayHash Table+1
Solve→
Same Tree
57%
EasyE
57%
TreeDepth-First Search+2
Solve→
Largest Number
57%
MediumM
57%
ArrayString+2
Solve→
Kth Smallest Element in a Sorted Matrix
57%
MediumM
57%
ArrayBinary Search+3
Solve→
Maximum Swap
57%
MediumM
57%
MathGreedy
Solve→
Sort Integers by The Power Value
56%
MediumM
56%
Dynamic ProgrammingMemoization+1
Solve→
Longest Arithmetic Subsequence of Given Difference
55%
MediumM
55%
ArrayHash Table+1
Solve→
Diameter of Binary Tree
55%
EasyE
55%
TreeDepth-First Search+1
Solve→
Rotting Oranges
54%
MediumM
54%
ArrayBreadth-First Search+1
Solve→
Subsets
54%
MediumM
54%
ArrayBacktracking+1
Solve→

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Maximum Sum of Distinct Subarrays With Length K
54%
MediumM
54%
ArrayHash Table+1
Solve→
Final Array State After K Multiplication Operations I
53%
EasyE
53%
ArrayMath+2
Solve→
Regular Expression Matching
52%
HardH
52%
StringDynamic Programming+1
Solve→
Min Stack
51%
MediumM
51%
StackDesign
Solve→
Best Time to Buy and Sell Stock IV
49%
HardH
49%
ArrayDynamic Programming
Solve→
Toeplitz Matrix
43%
EasyE
43%
ArrayMatrix
Solve→
Line Reflection
42%
MediumM
42%
ArrayHash Table+1
Solve→
Valid Palindrome III
39%
HardH
39%
StringDynamic Programming
Solve→
Fraction to Recurring Decimal
36%
MediumM
36%
Hash TableMath+1
Solve→
Maximum Subarray
36%
MediumM
36%
ArrayDivide and Conquer+1
Solve→
Simplify Path
33%
MediumM
33%
StringStack
Solve→
Search Suggestions System
33%
MediumM
33%
ArrayString+4
Solve→
Frequency of the Most Frequent Element
31%
MediumM
31%
ArrayBinary Search+4
Solve→
Kth Largest Element in an Array
31%
MediumM
31%
ArrayDivide and Conquer+3
Solve→
Next Permutation
31%
MediumM
31%
ArrayTwo Pointers
Solve→
Search Insert Position
29%
EasyE
29%
ArrayBinary Search
Solve→
Missing Ranges
29%
EasyE
29%
Array
Solve→
Trips and Users
27%
HardH
27%
Database
Solve→
Subarray Sum Equals K
21%
MediumM
21%
ArrayHash Table+1
Solve→
K-diff Pairs in an Array
20%
MediumM
20%
ArrayHash Table+3
Solve→
Maximum Beauty of an Array After Applying Operation
20%
MediumM
20%
ArrayBinary Search+2
Solve→

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Frequently Asked Questions

What LeetCode problems does L3harris ask in interviews?

L3harris commonly asks 46 coding problems in technical interviews, including Majority Element, Continuous Subarray Sum, Kth Missing Positive Number. The difficulty breakdown is 8 Easy, 29 Medium, and 9 Hard problems.

How should I prepare for a L3harris coding interview?

Focus on the most frequently asked problems first, especially those with high frequency scores. L3harris interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.

What is the difficulty level of L3harris coding interviews?

Based on our data, L3harris interviews include 8 Easy (17%), 29 Medium (63%), and 9 Hard (20%) problems.

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