Problem	convexhull
User	chenweilian
Submission Time	2024-01-30 17:04:44
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

convexhull.cpp: In function ‘int main()’:
convexhull.cpp:140:23: error: cannot convert ‘line*’ to ‘line’
140 | root->upd(new line(a,b));
| ^~~~~~~~~~~~~
| |
| line*
convexhull.cpp:94:19: note: initializing argument 1 of ‘void node::upd(line)’
94 | void upd(line a) {
| ~~~~~^