Problem	3nplus1
User	yihai
Submission Time	2026-01-21 19:16:08
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

3nplus1.cpp: In function ‘int main()’:
3nplus1.cpp:19:9: error: expected ‘}’ at end of input
19 | cout<<n;
| ^
3nplus1.cpp:4:15: note: to match this ‘{’
4 | signed main() {
| ^