Problem	fertile
User	Pan
Submission Time	2024-01-09 17:35:50
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

fertile.cpp: In function ‘void update(line)’:
fertile.cpp:47:34: error: ‘cht’ was not declared in this scope; did you mean ‘ch’?
47 | if (ch.back().second>eq.second)cht.pop_back();
| ^~~
| ch