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Top 50 edge cases Interview Questions

The most frequently asked edge cases questions across all roles and companies, ranked by real interview frequency. Updated daily.

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1
coding challengeStart here. 11 questions · ~275 min
Reverse Number and Palindrome CodingEasy
Practice
Recently asked

Reverse a non-negative integer arithmetically and determine whether the original number is a palindrome.

coding challengeAlgorithmsedge casesZZensarZensar Technologies
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2
Basic Algorithms10 questions · ~250 min
Reverse a Number ProgramEasy
Practice
Recently asked

Reverse the digits of an integer using arithmetic operations while preserving its sign and removing leading zeros.

Basic AlgorithmsProgrammingAlgorithmsQuest GlobalIntelliswift SoftwareHCLTech
Reverse a String ManuallyEasy
Practice
Recently asked

Reverse a string using character indexing and concatenation without built-in reversal functions.

Basic Algorithmsstring manipulationAlgorithmsIQVIARealtorHavells India
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3
string manipulation4 questions · ~100 min
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4
Arrays6 questions · ~150 min
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5
Coding3 questions · ~75 min
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6
More topics16 questions · ~400 min
Clock Hand Angle CalculationEasy
Practice
Recently asked

Compute the smaller angle between clock hands using math, while handling boundary and normalization edge cases.

Mathbasicsedge casesRivianDow JonesHeadspace
Reverse Nodes in K GroupsMedium
Practice
Recently asked

Problem Given the head of a singly linked list and an integer k, reverse the nodes of the list k at a time and return the modified head. If the number of ...

Linked ListsAlgorithmsedge casesAApolisByteDanceAutodesk
Shortest Path in a GraphHard
Practice

Find the minimum-cost path between two graph nodes using Dijkstra's algorithm and reconstruct the route.

SearchingGreedyData StructuresRemedy PartnersAva2IIMF
Most Frequent CharacterMedium
Practice

Count characters across multiple strings and return the most frequent one with deterministic tie-breaking.

aggregationfrequency countArraysCapgemini Government SolutionsIBS SoftwareCapgemini FSSBU
Palindrome With Edge CasesEasy
Practice

Determine whether My BMW App text is a palindrome using case-insensitive alphanumeric comparison and two pointers.

Stringsedge casesBMW of North AmericaMintedQuintrix
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