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Teng juftliklar soni | HackNow
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Problem
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Teng juftliklar soni
lock
UZ only
O'rta
100 points
1 s
256 MB
Input format
Output format
Constraints
Examples
1
1
Example #1
Input
6 1 2 1 3 2 1
Output
4
Solution editor
Python 3
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Language
PYTHON
UTF-8
Tab
4 spaces
Ctrl
+
Enter
Submit
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