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6 questions in the library. A source association does not guarantee a future interview question.
Coding · System design
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Design an agentic AI platform that allows users to create, deploy, and manage autonomous AI agents capable of executing multi-step tasks, coordinating with other agents…
Companies: Target, Google, Oracle
Last reported Jul 2026
Given the root of a binary tree, invert it by producing its mirror image—swap the left and right child of every node—and return the root…
Companies: Target
Last reported Jul 2026
Design a system that enables AI agents to discover, connect to, and invoke tools through the Model Context Protocol (MCP), allowing agents to extend their…
Companies: Target, Palantir
Last reported Jul 2026
Group the input strings into lists of anagrams — i.e., strings that contain the same multiset of letters — and return the groups in any…
Companies: Target, Amazon, Apple, Arize Ai +14
Array · Hash Table · Sorting · String
Last reported Jul 2026
Implement two complementary algorithms to convert a binary tree to a string and back, preserving exact node values and tree structure (including null children) so…
Companies: Target, Amazon, LinkedIn, Meta +2
Last reported Jul 2026
Decode a string containing nested repeat patterns of the form k[encoded_string], expanding each bracketed segment k times (k may be multi-digit) possibly with multiple nesting…
Companies: Target, Bloomberg, Coupang, Google +4
Recursion · Stack · String
Last reported Jun 2026