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ziphq
5 interview questions available
Maximize non-adjacent sum on an N-ary tree
medium
Dec 26, 2025
Find flush and straight groups in cards
medium
Nov 28, 2025
Design in-memory DB with TTL and history
hard
Sep 6, 2025
Compute maximum sum in a tree without adjacency
Medium
Aug 12, 2025
Find root IDs and paths
Medium
Aug 11, 2025