Capital One Software Engineer Coding & Algorithms Interview Questions
Master your tech interview with our curated database of real questions from top companies.
4Questions
1Company
4 Questions 1 Company
Showing 4 results
Capital One
Medium
Software EngineerSolve 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 ...
Coding & Algorithms
67
0
Jul 29, 2025
Capital One
Medium
Software EngineerImplement 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: ...
Coding & Algorithms
0
0
Sep 6, 2025
Capital One
Medium
Software EngineerSolve 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...
Coding & Algorithms
0
0
Sep 6, 2025
Capital One
Medium
Software EngineerSolve 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...
Coding & Algorithms
0
0
Sep 6, 2025