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O'zaro Tublar (Euler Phi) | HackNow
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Problem
Submissions
O'zaro Tublar (Euler Phi)
lock
UZ only
Qiyin
45 points
1 s
256 MB
Input format
Output format
Examples
1
1
Example #1
Input
10
Output
4
Solution editor
Python 3
Clear
Language
PYTHON
UTF-8
Tab
4 spaces
Ctrl
+
Enter
Submit
Submit
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