Problem	3nplus1
User	CYangTong
Submission Time	2026-03-09 17:41:04
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

3nplus1.cpp:9:11: error: invalid preprocessing directive #a
9 | # a = a*3 + 1
| ^
3nplus1.cpp:1:1: error: ‘a’ does not name a type
1 | a=int(input())
| ^