Top 50 Programming Interview Questions
The most frequently asked Programming questions across all roles and companies, ranked by real interview frequency. Updated daily.
Reverse a string using a two-pointer approach by converting it to a mutable character list.
USAA
Converseon
DecagonMerge overlapping intervals by sorting start times and greedily extending the current range.
Bae Systems Usa
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Determine whether an integer is prime using trial division up to the square root.
Micron Memory Malaysia Sdn Bhd
WebmdReverse a singly linked list in-place using pointer manipulation with O(n) time and O(1) extra space.
Verizon
An innovative healthcare organization
HashedInDetermine whether an integer is an Armstrong number by summing each digit raised to the digit count.
Yochana
Capgemini Engineering
Sopra SteriaFind all prime numbers from 1 to 100 using trial division and return them in ascending order.
Media
Virtusa
UST GlobalDetermine whether text is a palindrome after ignoring case and non-alphanumeric characters using two pointers.
Wolters Kluwer
NPCI
CognizantCompute the nth Fibonacci value for Airtel Payments Bank metrics using iterative dynamic programming and constant extra space.
MECLABS
BOFA
Diverse Lynx