Top 50 system design Interview Questions

Filter Datadog logs by service and status, then compute interval sums with a sliding window.

system designSliding WindowDatadogJosh Technology

Implement an in-memory restaurant reservation system using interval conflict detection and ordered table assignments.

system designleetcodeData StructuresC3 AI

Implement hierarchical file storage with path-based get and put operations using a trie.

system designCodingData StructuresHarvey

Process prioritized Revolut ATM cash requests with bounded inventory and exact-change dynamic programming.

system designandroidDynamic ProgrammingRevolut

Answer connectivity queries with edge additions and removals using a rollback DSU and segment tree.

system designCodingData StructuresMeta

Compose 2-input min-max comparators to compute column-wise extrema for a 4x4 integer matrix.

system designCodingArraysApple