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Problems

Implementation
Difficulty
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10077
T5. Only two different
Very easy
10079
T7. More often than others
10080
T8. Spiral TT
Easy
10081
T9. Spiral TTT
Easy
10118
Mad Scientist
10119
Swapity Swap
Easy
10120
Swapity Swapity Swap
Easy
10127
New Evaluation Rules
Very easy
10129
Collectors' Bazaar in the City of Palaputra
Medium
10138
Squares
Easy
10139
Stepan's House
Medium
10140
Shower cabin
Very easy
10143
Throwing cards away
10166
Max-heap
10215
Number the digits
10217
Basketball
Very easy
10218
The same number of divisors
Very easy
10225
Triangle
Easy
10226
Social networks
10227
Instagram
Easy
10229
Electronic clock
Very easy
10230
Photo Scaling
Medium
10231
Sequence Simplification
Hard
10233
Formulaic expressions
Easy
10236
N Queens - placement
Very easy
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