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Buffer LeetCode Interview Questions

Practice 38 real coding problems frequently asked in Buffer technical interviews. Master these questions to ace your next Buffer software engineering interview.

6 Easy
25 Medium
7 Hard

Top Topics at Buffer

ArrayHash TableDynamic ProgrammingStringSorting

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Buffer Interview Problems

ProblemDifficultyDiffFrequencyTopicsAction
Minimum Array Sum
100%
MediumM
100%
ArrayDynamic Programming
Solve→
Is Subsequence
98%
EasyE
98%
Two PointersString+1
Solve→
Min Stack
96%
MediumM
96%
StackDesign
Solve→
Flip Columns For Maximum Number of Equal Rows
93%
MediumM
93%
ArrayHash Table+1
Solve→
Flood Fill
92%
EasyE
92%
ArrayDepth-First Search+2
Solve→
Logger Rate Limiter
91%
EasyE
91%
Hash TableDesign+1
Solve→
Permutations
89%
MediumM
89%
ArrayBacktracking
Solve→
Top K Frequent Elements
88%
MediumM
88%
ArrayHash Table+6
Solve→
Digit Operations to Make Two Integers Equal
82%
MediumM
82%
MathGraph+3
Solve→
Unique Paths II
79%
MediumM
79%
ArrayDynamic Programming+1
Solve→
Subarray Sum Equals K
79%
MediumM
79%
ArrayHash Table+1
Solve→
Find Median from Data Stream
79%
HardH
79%
Two PointersDesign+3
Solve→
Kth Smallest Element in a BST
76%
MediumM
76%
TreeDepth-First Search+2
Solve→
Add Two Numbers
75%
MediumM
75%
Linked ListMath+1
Solve→
Merge Intervals
74%
MediumM
74%
ArraySorting
Solve→
Two Sum
73%
EasyE
73%
ArrayHash Table
Solve→
Word Search
71%
MediumM
71%
ArrayString+2
Solve→
Minimum Operations to Make Character Frequencies Equal
71%
HardH
71%
Hash TableString+3
Solve→
Minimum Path Sum
62%
MediumM
62%
ArrayDynamic Programming+1
Solve→
Find First and Last Position of Element in Sorted Array
61%
MediumM
61%
ArrayBinary Search
Solve→
Same Tree
61%
EasyE
61%
TreeDepth-First Search+2
Solve→
Regular Expression Matching
59%
HardH
59%
StringDynamic Programming+1
Solve→
Product of Array Except Self
55%
MediumM
55%
ArrayPrefix Sum
Solve→
Maximum Beauty of an Array After Applying Operation
53%
MediumM
53%
ArrayBinary Search+2
Solve→
Task Scheduler
50%
MediumM
50%
ArrayHash Table+4
Solve→

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Palindromic Substrings
49%
MediumM
49%
Two PointersString+1
Solve→
Vertical Order Traversal of a Binary Tree
46%
HardH
46%
Hash TableTree+4
Solve→
Maximum Number of Events That Can Be Attended
40%
MediumM
40%
ArrayGreedy+2
Solve→
Word Ladder
39%
HardH
39%
Hash TableString+1
Solve→
Permutation in String
39%
MediumM
39%
Hash TableTwo Pointers+2
Solve→
Valid Palindrome III
38%
HardH
38%
StringDynamic Programming
Solve→
Zero Array Transformation I
35%
MediumM
35%
ArrayPrefix Sum
Solve→
Longest Increasing Path in a Matrix
34%
HardH
34%
ArrayDynamic Programming+6
Solve→
Populating Next Right Pointers in Each Node
34%
MediumM
34%
Linked ListTree+3
Solve→
Reveal Cards In Increasing Order
33%
MediumM
33%
ArrayQueue+2
Solve→
Search Insert Position
28%
EasyE
28%
ArrayBinary Search
Solve→
Longest Repeating Character Replacement
25%
MediumM
25%
Hash TableString+1
Solve→
Walls and Gates
25%
MediumM
25%
ArrayBreadth-First Search+1
Solve→

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Frequently Asked Questions

What LeetCode problems does Buffer ask in interviews?

Buffer commonly asks 38 coding problems in technical interviews, including Minimum Array Sum, Is Subsequence, Min Stack. The difficulty breakdown is 6 Easy, 25 Medium, and 7 Hard problems.

How should I prepare for a Buffer coding interview?

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

What is the difficulty level of Buffer coding interviews?

Based on our data, Buffer interviews include 6 Easy (16%), 25 Medium (66%), and 7 Hard (18%) problems.

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