Realistic AI engineering scenarios with reference solutions and problem-specific grading rubrics.
Integer indexing · bincount · Reshaping · Evaluation
Broadcasting · Vectorization · Linear algebra · Numerical stability
Fancy indexing · Broadcasting · NumPy · Encoding
bincount · Scatter-add · Safe division · Vectorization
Broadcasting · Clipping · Geometry · Vectorization
Prefix sums · Vectorization · Off-by-one reasoning · Dtype handling
Numerical stability · Broadcasting · Axis handling · Vectorization
Missing data · Axis handling · Numerical guards · Feature scaling
argpartition · Vectorization · Ranking · Complexity
Accumulate tricks · Fancy indexing · Missing data · Vectorization