Problem	WA1
User	Usu
Submission Time	2026-02-04 19:09:03
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

WA1.cpp: In function ‘int main()’:
WA1.cpp:11:9: error: ‘freq’ was not declared in this scope; did you mean ‘free’?
11 | freq[(x<<30)|y]++;
| ^~~~
| free