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145
Squares
Very easy
147
Quantity of days (RU)
Medium
156
Two-dimensional domino (RU)
Easy
159
Festival (RU)
Easy
166
Streetraicing (RU)
Medium
168
Lomonosov our days (RU)
Medium
169
Skyscrapers (RU)
Easy
171
Traffic jams (RU)
Hard
172
Swapping of data (RU)
Hard
176
Chieftain selection (RU)
Very easy
177
Poker (RU)
Very easy
179
Redistribution (RU)
Very easy
180
Graveyard (RU)
Easy
187
Minibuses (RU)
Easy
193
The sum of figures (RU)
Easy
204
Inflation rate (RU)
Hard
208
Macros (RU)
Medium
214
Hamsters on a torus (RU)
Easy
226
Olympiad and Internet (RU)
Easy
235
Spring Time
Very easy
237
Immovable Elements of a Matrix
Medium
240
Similarity (RU)
Medium
253
Watermelon Fields Wonderland Countries Fools
Hard
256
Chain fraction (RU)
Very easy
266
Comparison
Very easy
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