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Capital One Medium Interview Questions

3 medium-level practice questions for Capital One technical interviews

coding Medium Verified Question #1

1. [CodeSignal] Leftmost Zero Filler


Category: Array coding problem
You are given a binary array slots containing only 0s and 1s, and an array of string commands ops. Apply each command in order: - Command "1": Find...
Input: Array of strings
Output: Computed result
coding Medium Verified Question #2

2. [CodeSignal] Matrix Command Engine


Category: Matrix coding problem
You are given a 2D integer array grid of size n x m and an array of strings commands. Apply each command in order: - "reverseRow r": Reverse the...
Input: Matrix (2D array)
Output: Computed result
coding Medium Verified Question #3

3. [CodeSignal] Sequential House Builder


Category: Grid/matrix coding problem
You are monitoring cell activations on an infinite integer grid line. Initially, no cells are active. You are given an array queries of distinct...
Input: 2D grid
Output: Integer

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