Introduction - If you have any usage issues, please Google them yourself
I/O stream operations mission objectives: Practice C++ file data processing methods, learning class ifstream (input from a file), ofstream (output to a file) and fstream (input from a file and output) of the definition and usage. Task Description: Write a program, a source code file with the statistics (in your code files written to the object) and the number of species in the English string and output to a file phases.dat, recording format is as follows: Type number main 1