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Problems

Optimization
Difficulty
Sort by
665
Wallpapering
Medium
1199
Train Tickets
Hard
1374
Internet Service Providers
Easy
2808
The number that remains
Medium
3419
Optimization of Combinatorial Circuits
Very hard
3825
Integral of All Horrors
4092
Optimal Space Way
5313
Matrix (Easy)
Very hard
5358
Joseph`s Problem
Hard
5765
Canaries
6860
Trigonometric optimization
Very hard
8513
Thief
Easy