I better recommend you to try your hands on code-forces, CP Algorithm etc. If you got stuck in any of the problems just read the discussion and given solution. If you continue this you several months then you quickly learning the data structures and algorithms. Because if you don't apply DSA which you will learn from any book then i guess it doesn't add much value to you.
In the beginning problems might not able to solve but after giving time and looking solution you will start getting things. And I guess its just a myth or we can say a phobia that you need to know each and every piece of mathematics.
And I think graph is a data structure that you should be work upon. For this you can refer this book
Introduction to Graph Theory Subsequent Edition
by Douglas Brent West. This book you can just read and practice while solving problems on above coding problem platforms.
So, I recommend you first do code-forces DIV3, DIV2 problems, gain some confidence, and then pick any DSA book.
Or one thing you can also do just filter out problems related to math,Combinatorics etc.on code-forces and try to solve them. Through this approach you will learn to apply the concepts.
I hope this comment add some value to you!
Happy coding.
And I think graph is a data structure that you should be work upon. For this you can refer this book Introduction to Graph Theory Subsequent Edition by Douglas Brent West. This book you can just read and practice while solving problems on above coding problem platforms.
So, I recommend you first do code-forces DIV3, DIV2 problems, gain some confidence, and then pick any DSA book.
Or one thing you can also do just filter out problems related to math,Combinatorics etc.on code-forces and try to solve them. Through this approach you will learn to apply the concepts.
I hope this comment add some value to you! Happy coding.