Problem	curtains
User	popperoni
Submission Time	2025-02-08 16:12:38
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

curtains.cpp: In constructor ‘node::node(long long int, long long int)’:
curtains.cpp:77:25: error: ‘M’ was not declared in this scope
77 | l = new node(S, M);
| ^