CSES.FI Geometry Questions (1,2 and 3)

[Rohanfizz]

Point Location Test (https://cses.fi/problemset/task/2189)
Line Segment Intersection (https://cses.fi/problemset/task/2190)
Polygon Area (https://cses.fi/problemset/task/2191)

Please assign this issue to me :)
thanks :)

[Priyanshusingh46]

https://cses.fi/problemset/task/2191
I have solved this code how to upload?

[Priyanshusingh46]

https://cses.fi/problemset/task/2191
Please assign this to me