Solutions to Codeforces problems solved as part of the Competitive Programming Division of CSEC-ASTU (Computer Science and Engineering Club, Adama Science and Technology University).
Mostly Div. 2 A/B level problems, including: A Colorful Stones (Simplified Edition), Anton and Danik, Bear and Big Brother, Beautiful Matrix, Boy or Girl, Gravity Flip, Is Your Horseshoe on the Other Hoof, Shaass and Oskols, Team, Vanya and Fence, Word, Black Square, Buy a Shovel, Die Roll, Magnets, Night at the Museum, Petya and Strings, Police Recruits, Sereja and Dima, Stones on the Table.
Each file is named after its Codeforces problem. Files are Python scripts; some have no .py extension.
python "Beautiful Matrix" < input.txt