Hello everyone,

Can anyone tell me why the answer of this problem:
1283E - New Year Parties

to this test case:
9
9 5 7 9 6 4 6 4 8

is:
2 8

isn't 3 8 ?

Thanks in advanced.

Can anyone give me a hint to solve this problem https://codeforces.net/contest/1152/problem/C please? Thank you