Top 50 loops Interview Questions
The most frequently asked loops questions across all roles and companies, ranked by real interview frequency. Updated daily.
Generate the FizzBuzz sequence for numbers 1 through n using modulo checks.
Ultra MobileSSAP Concur
Leepfrog TechnologiesGenerate the first n Fibonacci numbers using an iterative algorithm.
CCC Intelligent Solutions
Mississippi Staffing
Fort Worth StaffingDetect whether a People workflow's linked sequence contains a cycle using Floyd's fast and slow pointers.
People
Medpace
EPAM SystemsSign up to see every question
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Generate all Fibonacci values up to a limit using iterative and recursive techniques, then compare their implementation trade-offs.
Tennessee Staffing
Washington Staffing
Encore Capital GroupReverse each word's characters while preserving the sentence's word order using a linear scan.
American Airlines
Pocket FmBBestPeers InfosystemGenerate the FizzBuzz sequence from 1 through 100 using divisibility checks and ordered conditional logic.
GM FinancialHHarverEEvolving WebReverse a string or array in linear time using two pointers without built-in reverse operations.
Abzooba
SentinelOne
Lpl FinancialUse stacks to validate nested brackets and evaluate an integer postfix expression.
Relativity
Warner Bros. Discovery