Problem	usefft1
User	Xiaoyang
Submission Time	2025-07-06 21:36:21
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

usefft1.cpp: In function ‘int main()’:
usefft1.cpp:99:7: error: ‘cscan’ was not declared in this scope; did you mean ‘scan’?
99 | ll n;cscan(n);
| ^~~~~
| scan