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Problems

Topics
Difficulty
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10218
The same number of divisors
Very easy
10219
Grandpa Quentin's Game
Medium
10220
Divide and conquer
Medium
10221
Rectangles in a Square
Very easy
10222
Emma and the Strange Circle
Very hard
10223
The Settlers of Catan
10224
Articulation points - Timestamps
Very easy
10225
Triangle
Easy
10226
Social networks
10227
Instagram
Easy
10228
Perfect Squares
Very hard
10229
Electronic clock
Very easy
10230
Photo Scaling
Medium
10231
Sequence Simplification
Hard
10232
Diagonals
Very easy
10233
Formulaic expressions
Easy
10234
Passing Game
Very easy
10235
Ordering tasks
Very easy
10236
N Queens - placement
Very easy
10237
Plant
Medium
10242
Knight route
10243
Book 1
Very easy
10244
Increasing sines 1
Easy
10245
Names and characters
Very easy
10246
ICPC Sort
Very easy
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