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5794
Common Polynomial
Very easy
5795
Zigzag
Very hard
5826
And Then There Was One
Very easy
5827
Prime Gap
5828
Minimal Backgammon
Medium
5829
Lowest Pyramid
Very hard
5830
Geometric Map
Easy
5831
Slim Span
5832
The Morning after Halloween
5833
Bug Hunt
Easy
5834
Most Distant Point from the Sea
Very hard
5835
The Teacher`s Side of Math
5836
A Two Floors Dungeon
5837
Area Folding
Medium
5838
Connect
5839
Do use segment tree
5840
Move on Dice
Very easy
5841
Pipeline Plans
Easy
5842
Presentation
Medium
5843
Repairing
Easy
5844
Sun and Moon
Medium
5845
Usoperanto
5846
Computer Game (Platforms)
Very easy
5847
Platforms - an additional criterion for optimization
Very easy
5848
Computer game with path restoration
Very easy
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