Capitalone Software Engineer Interview Questions

Capital One Power Day interview lasted four hours, divided into three parts plus a one-hour break: a case study, a coding technical interview, and a behavioral interview. It was my first time having s

1. The first question is a simple string counting problem. The string type is "From To Count". It counts how many times "From" and "To" appear [unrelated to the count]. If "from" and "to" are the same

The HR contacted me first. The online assessment (OA) had four questions: one easy, one slightly more difficult, the third similar to LC1861, and the fourth an interval question, roughly asking you to

This post was last edited by Anonymous on 2025-10-1 17:05. Four rounds: Powerday, Lead Position, 1 SD, 1 Coding, 1 Case Study, 1 BQ. The points are set higher; I'll just post the details directly. The

70 minutes, 4 questions All Geography questions Toggle case of String If the letter is a vowel, change to capital case; if it is constant, change to the next string per rule: b -> c c -> d ... v -> w

4 rounds in total: all appeared in geography Round 1: System Design – Designed a banking application. Round 2: Coding – Implemented file actions: create, delete, copy, and print the action results (tr

This post was last edited by Blind Desk Lamp on 2025-10-12 09:17. Just finished the Power Day for a C1 TDP candidate and am anxiously waiting for an offer. I'd like to share some of my interview exper

LeetCode #68: Text Justification. Difficulty: Hard. Topics: Array, String, Simulation. Asked at Capital One in the last 6 months.

LeetCode #1743: Restore the Array From Adjacent Pairs. Difficulty: Medium. Topics: Array, Hash Table, Depth-First Search. Asked at Capital One in the last 6 months.

LeetCode #2672: Number of Adjacent Elements With the Same Color. Difficulty: Medium. Topics: Array. Asked at Capital One in the last 6 months.

LeetCode #2043: Simple Bank System. Difficulty: Medium. Topics: Array, Hash Table, Design, Simulation. Asked at Capital One in the last 6 months.

LeetCode #723: Candy Crush. Difficulty: Medium. Topics: Array, Two Pointers, Matrix, Simulation. Asked at Capital One in the last 6 months.

LeetCode #3043: Find the Length of the Longest Common Prefix. Difficulty: Medium. Topics: Array, Hash Table, String, Trie. Asked at Capital One in the last 6 months.

LeetCode #2502: Design Memory Allocator. Difficulty: Medium. Topics: Array, Hash Table, Design, Simulation. Asked at Capital One in the last 6 months.

LeetCode #200: Number of Islands. Difficulty: Medium. Topics: Array, Depth-First Search, Breadth-First Search, Union-Find, Matrix. Asked at Capital One in the last 6 months.

LeetCode #2817: Minimum Absolute Difference Between Elements With Constraint. Difficulty: Medium. Topics: Array, Binary Search, Ordered Set. Asked at Capital One in the last 6 months.

LeetCode #3072: Distribute Elements Into Two Arrays II. Difficulty: Hard. Topics: Array, Binary Indexed Tree, Segment Tree, Simulation. Asked at Capital One in the last 6 months.

LeetCode #896: Monotonic Array. Difficulty: Easy. Topics: Array. Asked at Capital One in the last 6 months.

LeetCode #257: Binary Tree Paths. Difficulty: Easy. Topics: String, Backtracking, Tree, Depth-First Search, Binary Tree. Asked at Capital One in the last 6 months.

LeetCode #11: Container With Most Water. Difficulty: Medium. Topics: Array, Two Pointers, Greedy. Asked at Capital One in the last 6 months.