Ziphq Interview Questions
Master your tech interview with our curated database of real questions from top companies.
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4 Questions 1 Company
Showing 4 results
ZipHQ
Medium
Software EngineerFind flush and straight groups in cards
You are given an array of strings cards, where each string represents a distinct playing card. Each card string has the format <rank><suit>: - rank is...
0
0
Nov 28, 2025
ZipHQ
Hard
Software EngineerDesign in-memory DB with TTL and history
In-Memory Database: Progressive Design in 4 Levels You are designing a simplified in-memory database to be implemented in four progressive levels. Eac...
System Design
0
0
Sep 6, 2025
ZipHQ
Medium
Software EngineerCompute maximum sum in a tree without adjacency
Given a tree where each node has an integer value, select a subset of nodes to maximize the sum under the constraint that if you choose a node, you ca...
Coding & Algorithms
0
0
Aug 12, 2025
ZipHQ
Medium
Software EngineerFind root IDs and paths
You are given a collection of string blocks, each represented as a JSON object with fields {"id": string, "parentId": string | null}. A block is a roo...
Coding & Algorithms
0
0
Aug 11, 2025