Problem	boxispull
User	Jasper123
Submission Time	2026-05-01 09:50:52
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

boxispull.cpp: In function ‘int main()’:
boxispull.cpp:15:20: error: ‘y2’ was not declared in this scope; did you mean ‘y4’?
15 | int dy=abs(y2-y4);
| ^~
| y4