Problem	lasers
User	Sans12345
Submission Time	2023-01-09 20:06:33
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

lasers.cpp: In function ‘int main()’:
lasers.cpp:19:9: error: ‘walls’ was not declared in this scope; did you mean ‘wall’?
19 | walls[i].resize(X);
| ^~~~~
| wall