Capital One Software Engineer Interview Questions
Master your tech interview with our curated database of real questions from top companies.
Solve string merge and grid path tasks
Question Given two equal-length strings s1 and s2, create a new string by iterating i = 0 … n-1, comparing s1[i] with s2[n-1-i]: append s1[i]; if the ...
Design a scalable banking system
System Design: Online Banking Platform Context Design an online banking platform (scope similar to a credit-card application system) that supports: - ...
Implement 2D transforms and find max-lit point
Part A — 2D array transforms: Given an m×n integer matrix, implement the following in-place operations with clear function boundaries and complexity: ...
Solve four algorithmic coding tasks
You will solve four independent coding tasks: 1) Count equal-value pairs in an array: Given an integer array nums of length n, return the number of in...
Solve powers, phases, grid pops, and swaps
Solve the following four problems: 1) Count powers of k in an array: Given an array of positive integers nums and an integer k >= 1, return how many e...