Top 50 basics Interview Questions
The most frequently asked basics questions across all roles and companies, ranked by real interview frequency. Updated daily.
Reverse a singly linked list iteratively and recursively in Python.
1X Technologies AS
ERM
Inland Family of CompaniesCompute the smaller angle between clock hands using math, while handling boundary and normalization edge cases.
Rivian
Dow Jones
HeadspaceUse a hash table to count the frequency of each character in a string, including spaces and special characters.
Cashfree
ServiceNow
CoforgeReverse the characters in a string using a loop without built-in reversal functions.
Itc Infotech
Peloton interactive
Technogen India Pvt.Compute the factorial of a non-negative integer using recursive base and reduction cases.
Luxoft India
KAYAK
Swiss ReDetermine whether a string reads identically forward and backward using a linear-time, constant-space two-pointer scan.
Synechron
Netcracker Technology
New RelicValidate a string palindrome by ignoring case and non-alphanumeric characters with two pointers.
GoDaddy
Talent500
Inc. InSwap two integers without an explicit temporary variable using Python tuple assignment.
PegasystemsWWebMD HealthCount 0 and 1 sensor readings by Bosch building using a CTE, LEFT JOIN, and conditional aggregation.
Bosch Building TechnologiesSign up to see every question
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Compare normalized character signatures to determine whether each pair of strings is an anagram.
AdobeUse a CTE, join, and conditional aggregation to summarize valid monthly user activity.
Adobe