Traditional C ++ # Include <assert. h> // set the insertion point # Include <ctype. h> // Character Processing # Include <errno. h> // defines error codes. # Include <float. h> // floating point number processing # Include <fstream. h> // file input/output # Include <iomanip. h> // parameterized input/output # Include <iostream. h> // Data Stream Input/Output # Include <limits. h> // defines the maximum constants of various data types. # Include <locale. h> // defines the localization function # Include <math. h> // defines mathematical functions. # Include <stdio. h> // define Input/Output Functions # Include <stdlib. h> // defines miscellaneous functions and memory allocation functions. # Include <string. h> // string processing # Include <strstrea. h> // array-based input/output # Include <time. h> // defines the time function. # Include <wchar. h> // wide character processing and input/output # Include <wctype. h> // wide character Classification Standard C ++ (same as above) # Include <algorithm> // General STL Algorithm # Include <bitset> // STL bit set container # Include <cctype> # Include <cerrno> # Include <clocale> # Include <cmath> # Include <complex> // plural class # Include <cstdio> # Include <cstdlib> # Include <cstring> # Include <ctime> # Include <deque> // STL double-end queue container # Include <exception> // exception handling class # Include <fstream>
# Include <functional> // STL defines operation functions (instead of operators)
# Include <limits> # Include <list> // STL linear list container # Include <map> // STL ing container # Include <iomanip> # Include <IOS> // Basic Input/Output support # Include <iosfwd> // pre-declaration used by the input/output system # Include <iostream> # Include <istream> // basic input stream # Include <ostream> // Basic output stream # Include <queue> // STL queue container # Include <set> // STL collection container # Include <sstream> // string-based stream # Include <stack> // STL stack container # Include <stdexcept> // standard exception class # Include <streambuf> // underlying input/output support # Include <string> // string class # Include <utility> // STL common template class # Include <vector> // STL dynamic array container # Include <cwchar> # Include <cwctype> Using namespace std; C99 added # Include // plural Processing # Include // floating point Environment # Include // integer format conversion # Include // Boolean Environment # Include // integer environment # Include // general mathematical macros
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