Problem	lowelements
User	hutaosfavbf
Submission Time	2025-03-12 18:25:48
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lowelements.cpp: In function ‘int main()’:
lowelements.cpp:10:5: error: ‘fast_io’ was not declared in this scope
10 | fast_io;
| ^~~~~~~