fast_io is a C++ general-purpose exception-safe RAII I/O library based on C++ 20 Concepts. It is at least ten times faster than cstdio or iostream.
翻译 - fast_io是基于C ++ 20概念的C ++通用异常安全RAII I / O库。它至少比cstdio或iostream快十倍。
Basic data structures in C: list, set, map/hashtable, queue... (libstdc++ wrapper)