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Problems
Basics first, then the classics, then company-style assessments. Every problem has tests you run right here; multi-level ones unlock as you go. See the roadmap.
Advanced & competitive
Geometry
Cross products, orientation, polygons.
5 problems
Advanced & competitive
Geometry Cross products, orientation, polygons.
- Basics: polygon area with the shoelace formula basics py · c++ · java easy
- Which triangular pen is the sheep in? py · c++ · java easy
- Maximum Points on a Line py · c++ · java medium
- Fence around the trees py · c++ · java medium
- Which side of a line? py · c++ · java easy