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Tests in-place partitioning logic and pointer safety in linked lists.
Tests linked list manipulation and careful index/value propagation.
Tests problem-solving under pressure and communication during delivery.
Tests planning, trade-off decisions, and execution discipline.
Tests stack-based reasoning and handling of edge cases in simulations.
Tests level-order traversal and per-level aggregation logic.
Tests algorithmic optimization thinking and complexity analysis.
Tests ability to deliver working UI quickly under time constraints.
Tests dynamic programming or greedy reasoning for subsequence optimization.
Tests tree traversal and correctness reasoning for nontrivial conditions.
