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51007 - Function f(x)

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Section problems

• 50267 - Interesting permutations
• 50424 - Area
• 50372 - Number Quadruplets
• 51007 - Function f(x)
• 50413 - Valid Permutations
• 50481 - Car Parking
• 50417 - Fun Fair
• 50530 - Sum of Ratios
• 50384 - Permutations revisited
• 50368 - Right-most non zero digit in N!
• 50369 - Base Conversion
• 50407 - Missing Number

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Time limit 2000/4000/4000/4000 ms. Memory limit 65000/65000/65000/65000 Kb.
by Emre Sertel.

Write a program that reads a real value x and calculates the function below:


Input
The input contains a real number x and x (10-16 ≤ x ≤ 1016).
Output
The output should contain one number which is the answer to the question.

Input Output
5
 0.2
-20 -17


Для отправки решений необходимо выполнить вход.

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