Introduction - If you have any usage issues, please Google them yourself
The use of C++ Realize the Graham scan method (for solving convex hull problems), can be set to generate a random number of points, patterns, and at the same time to support the set display range, display algorithm processing time and the use of document features such as import and export points. (File format for the first four bytes is the number of points, after all points are x coordinates and y coordinates, each account for 4-byte value).