Problem	progression
User	shoryu386
Submission Time	2023-02-04 21:39:07
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

progression.cpp: In member function ‘void node::update(long long int, long long int)’:
progression.cpp:131:7: error: ‘combine’ was not declared in this scope; did you mean ‘comb’?
131 | v = combine(l->v, r->v);
| ^~~~~~~
| comb