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Eng qisqa yo'l (BFS) | HackNow
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Eng qisqa yo'l (BFS)
lock
UZ only
Qiyin
30 points
1 s
256 MB
Input format
Output format
Examples
1
1
Example #1
Input
5 5 1 2 1 3 2 4 3 4 4 5 1 5
Output
3
Solution editor
Python 3
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Language
PYTHON
UTF-8
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4 spaces
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