cf/mirror

Suit and Tie

CF
995B1400· specialist2s256 MB⌨ stdin/stdout
#greedy#implementation#math

Examples

Sample 1of 3
Input
4
1 1 2 3 3 2 4 4
Output
2
Sample 2of 3
Input
3
1 1 2 2 3 3
Output
0
Sample 3of 3
Input
3
3 1 2 3 1 2
Output
3
995B.cpp
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Ln 11·137 BGNU C++20 (64)