Unique Occurrences
1681F2300· international master6s1024 MB⌨ stdin/stdout
Examples
Sample 1of 5
Input
31 2 11 3 2
Output
4
Sample 2of 5
Input
31 2 21 3 2
Output
2
Sample 3of 5
Input
51 4 41 2 33 4 44 5 5
Output
14
Sample 4of 5
Input
22 1 1
Output
1
Sample 5of 5
Input
1010 2 33 8 84 8 95 8 53 10 77 8 25 6 69 3 41 6 3
Output
120
58%
1681F.cpp
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Ln 11·137 BGNU C++20 (64)
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