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Problems

Geometry
Difficulty
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2217
Attack of aliens
Very easy
2221
About love...
Hard
2234
"At the Frying Pan" near the Polytechnic
Very easy
2235
Geodetic Practice of Students
Very easy
2251
Superpolygons
Hard
2263
Frames
Hard
2282
Affine Mess
Easy
2291
Trash Removal
2294
Convex Hull
Hard
2296
The thread
Easy
2299
Theodore Roosevelt
Easy
2300
Internal point
Easy
2305
Windows (Easy)
Very easy
2345
Rhombuses
Medium
2357
Cake
Hard
2380
Kids Like Cakes
Medium
2393
Point and a rectangle
Very easy
2398
Circle and segment
Hard
2430
Journey
Very hard
2446
Convex Hull of Lattice Points
Very easy
2447
Interior Points of Lattice Polygons
Very easy
2492
Testing Ground
Medium
2499
Rails
Medium
2504
Kill the pig
Very easy
2506
Universal socket
Very easy
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