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Problems

Math
Difficulty
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2888
Sigma-function on a segment
Easy
2890
Exact degrees
Medium
2892
Sum of values
Easy
2893
About the Sprite
Easy
2895
Arctic Foxes
Very easy
2908
SumThem All
Easy
2910
ABCDEF
Very easy
2920
Height of the left tree
2936
Dima & module
2948
Packaging machine
Easy
2969
100 geese
Very easy
2972
Biprime numbers
Very easy
2989
"WTO"
Medium
2994
System of equations
Very hard
3032
Laser
Medium
3047
Real Phobia
Very easy
3068
Game, Set and Match
3102
Fence Making
3114
RNG in Reverse
Easy
3115
Attack of the Giant n-pus
Very easy
3132
Treasure Map
3139
Shuffling
Hard
3144
Task from an old DPA
Medium
3145
Pipe
Medium
3191
The Primes
Easy
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