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Problems

Topics
Difficulty
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233
Graph? Are you sure?
Very hard
234
Ball momentum
Medium
235
Typical Query Problem
Very hard
236
Tree queries
Hard
237
Anton the Guard
Hard
238
Bitqoins
Very easy
239
Miss M and the Flowers
Easy
240
Check the Calendar!
Very easy
241
Relocation
Very easy
242
Sonichka's Birthday
Easy
243
Championship Gifts
Medium
244
Who Advanced?
Easy
245
Choose Colors
Very hard
246
Parallelepiped
Very easy
247
Grandchildren
Very easy
248
Colorful Balls
Easy
249
Colorful String
Easy
250
Painting stones
Medium
251
Pairwise Product
Easy
252
Sashko-Array Constructor
Medium
253
Sets
Medium
254
Skyscraper
Medium
255
Chessfield
Hard
256
Guess the Color
Hard
257
Array Reduction
Hard
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