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Problems

Topics
Difficulty
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5136
Distance between rays
Very hard
5137
Monobilliards
Very easy
5138
Increasing subsequence
Hard
5139
Average train speed
Very easy
5140
Swamp
Easy
5141
LCM Sum
Medium
5142
Number by permutation of letters
Medium
5149
Cows - in the stalls
Very easy
5150
Previous PDP
Easy
5151
Two triangles
Very easy
5152
Chess Battles
Easy
5153
VSHEOM-43
Easy
5154
The distance from a line segment to a circle
Hard
5155
Rectangle Covered with Squares
Easy
5156
Segments
Very easy
5158
Hippogriffs
Very easy
5159
Kingdom of Magic
5160
Showcase
Very hard
5161
Lasers
5162
Ophelia's Tablecloth
Very hard
5163
Mars rover
Easy
5174
Pete's dad
Easy
5175
The last digit
5177
Chess
Very hard
5178
Cycle
Easy
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