[2,3,4,5]
4
[2,3,4,5]是最長子數(shù)組
[2,2,3,4,3]
3
[2,3,4]是最長子數(shù)組
[9]
1
[1,2,3,1,2,3,2,2]
最長子數(shù)組為[1,2,3]
[2,2,3,4,8,99,3]
5
最長子數(shù)組為[2,3,4,8,99]