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Problems
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Problems

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Difficulty
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445
Excursion
Hard
446
Smooth Divisors
Easy
449
Straight Dividers 2
Hard
459
Lawn
Medium
472
Probability
Very easy
476
Multiple
Hard
477
Sum of cubes
Easy
484
Linear Black Box
Hard
487
Discrete logarithm
Easy
495
Expansion of a Number
Easy
510
Toasts
Easy
513
Nicholas Problem
Very easy
515
Father's Problem
Hard
516
Help Vasya
Medium
517
Assignment of Nicholas
Very easy
521
Asteroids
Very easy
522
Business Center
Very easy
542
Soda Surplier
545
Rain Fall
Very easy
551
Code Permutations
559
Bicycle
Medium
561
Interesting equation
Very hard
563
Simple equation
Very easy
572
The Lesson of mathematics
Very easy
575
Sequence
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