Problem	discharging
User	user123
Submission Time	2024-02-10 12:34:58
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

discharging.cpp: In member function ‘void LCT::insert(line)’:
discharging.cpp:36:26: error: no match for call to ‘(line) ()’
36 | if (l==r || x==v() || bl==br) return;
| ^
discharging.cpp:13:9: note: candidate: ‘long long int line::operator()(long long int)’
13 | int operator()(int x) { return a*x+b; }
| ^~~~~~~~
discharging.cpp:13:9: note: candidate expects 1 argument, 0 provided