What to read in C++ after G.Schildt?

Question

Books

Good afternoon, I have a question that worries me very much.
I read Herberdt Schildt's book C++ Step by Step. He did all the tasks, invented for himself, implemented something.
I can say that I understood well at the level that is possible for a beginner. I understood how some algorithms work, pointers, how arrays are stored ..... etc. in mind.
Q: I don't know what to do next. My plan was to move on to Stroustrup's Programming: Principles and Practice Using C++ after this book, but after the first program, where he makes a calculator and introduces concepts like tokens, I felt that it was difficult for me.
What should I do next? Can you recommend some book or more practice, then where.
I really need advice.
Thank you.

Answer 1

or more practice then where

Somewhere... in the IDE! :)
You come up with a task for yourself and write a program for it. You get hands on practice. Without actually writing not a piece of code from a textbook, but a full-fledged working program, you should not go into advanced books.
The program can be arbitrarily useless (for example, a file selection window that sorts these files by button in the order of the numbers found in the names). The main thing is to bring it to a working state.

Answer 2

Alternatively, you can start reading about boost and stl and look towards books for a more in-depth language, for example:
Herb Sutter, "Solving Complex Problems in C++".
Scott Myers, "Using C++ Effectively".
Herb Sutter, C++ Programming Standards.