#include<assert.h>//set the insertion point

#include<ctype.h>//character processing

#include<errno.h>//define the error code

#include<float.h>//floating point processing

#include<fstream.h>//file input / output

#include<iomanip.h>//parameter of the input / output

#include<iostream.h>//data stream input / output

#include<limits.h>//define the value of a constant variety of data types

#include<locale.h>//define the localization function

#include<math.h>//define mathematical functions

#include<stdio.h>//define the input / output functions

#include<stdlib.h>//define miscellaneous functions and memory allocation functions

#include<string.h>//string processing

#include<strstrea.h>//array based on the input / output

#include<time.h>//define the function of time

#include<wchar.h>//wide character handling and input / output

#include<wctype.h>//Wide character classification