Run Error in final Exam

#1

ques: https://hack.codingblocks.com/dcb/p/1558
code: https://ide.codingblocks.com/s/63431

I have use a map to store the distinct elements with their counts and found the answer using Bottom Up DP.
It says run error on submitting.
Also is the logic correct?

#2

Wrong test case:
3
1 2 3
your output :
2
correct output :
6
Hit like if u get it :slight_smile: