Hi,
The content provided in Maths section [videos or pdf] is very less.
To learn and solve problems in SPOJ or codechef related to Maths, we need some useful resources[book or pdf] link that covers some basic topics like [Geometry, Combitronics or Algebra related].
Please share your feedback, if anybody knows how to grasp on Maths concept that is used in competitive programming.
Thanks.