cf/mirror

Equal Trees

CF
1958I3100· legendary gm2s256 MB⌨ stdin/stdout
#*special#graphs#meet-in-the-middle

Examples

Sample 1of 3
Input
5
1 5 5 1
1 4 1 2
Output
4
Sample 2of 3
Input
2
1
1
Output
0
Sample 3of 3
Input
10
4 7 10 6 2 9 7 1 1
1 2 10 3 4 6 6 5 5
Output
10
1958I.cpp
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Ln 11·137 BGNU C++20 (64)
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