我真希望学C/C++之前，就知道这些该多好，流下了没有技术的眼泪

https://en.cppreference.com

https://www.cplusplus.com

https://www.tutorialspoint.com/cplusplus

https://www.learncpp.com

https://github.com/fffaraz/awesomecpp

https://stackoverflow.com