СПО_Praktikum_k_lab_rabotam

11

<<osvi.dwMajorVersion << "."

<<osvi.dwMinorVersion

<<osvi.szCSDVersion

<<"(Build "

<<(osvi.dwBuildNumber & 0xFFFF)<<")\n";

}

else

{

cout << osvi.szCSDVersion << "(Build " << (osvi.dwBuildNumber & 0xFFFF) << ")\n";

*file << osvi.szCSDVersion << "(Build " << (osvi.dwBuildNumber & 0xFFFF) << ")\n";

}

break;

// # # Windows 95. case VER_PLATFORM_WIN32_WINDOWS:

//xfy z fc {y| }~ z c$y•y| ocf ! #=# !

//# Winˆ.

break;

}

return TRUE;

}

//////////////////////////////////////////////////////////////////

//

void MemmoryStat(std::ofstream *file)

{

// ! ! =?

MEMORYSTATUS stat;

stat.dwLength = sizeof(MEMORYSTATUS); // ! =

GlobalMemoryStatus (&stat);

cout << "\nMemmory Statistics\n"; cout << "===================\n";

//xfy z fc {y| }~ z c$y•y| ocf ! #=# !

//ƒ

*file << "\nMemmory Statistics\n"; *file << "===================\n";

//xfy z fc {y| }~ z c$y•y| ocf ! #=# !

//#

}

/////////////////////////////////////////////////////////////

// P ! void CurrentDir(std::ofstream *file)

{

char szCurrentDir[_MAX_PATH];

12

char szFullDisk[5];

//P !

GetCurrentDirectory(_MAX_PATH-1, szCurrentDir);

//xfy z fc {y| }~ z c$y•y| ocf ! #=# !

//P ! # ƒ

}

1.2.1. Windows

. ! ! / Windows 2 / ) 9 /

B 02 /! 02. !" 8 /) ) 0

1 2.

14

);

M& 8 ) 1 !?! / !:

1.2.3." #

) ) /! 02 " / ! # 2 / !2

91& ) 7& 8 ) GetDiskFreeSpace 6,

/:

BOOL GetDiskFreeSpace( LPCTSTR lpRootPathName,

LPDWORD lpSectorsPerCluster, LPDWORD lpBytesPerSector, LPDWORD lpNumberOfFreeClusters, LPDWORD lpTotalNumberOfClusters

);

M& 8 ) 1 ! 7 !8 < " / /, <- #!) "i " / ! ! ! /.

.! ! 0:

•lpRootPathName – c! / )<?!) 6 ! ! &- 6 !, "i !/ / 9(!. “A:\”-/ ) /-

/!). m lpRootPathName ! NULL, 1 !?! ) "i &? ! ).

•lpSectorsPerCluster – # ! !.

•lpBytesPerSector – # "!6 ! .

•lpNumberOfFreeClusters – # " / 02 ! ! /.

•lpTotalNumberOfClusters – # ! ! /.

15

1 !?! 0 1 !# ):

•m 7& 8 ) / " ! ) & 2!, 1 !?! 1 !# –

TRUE;

•m 7& 8 ) &/!#&, 1 !?! !) # ! –

FALSE.

16

1.2.4. # % -

BOOL GetVersionEx(

LPOSVERSIONINFO lpVersionInfo // > ,

//# !

//.

);

& & ! LPOSVERSIONINFO /:

}OSVERSIONINFOEX;

. / 91 ! 7& 8 GetVersionEx !/ & !1! 9 !1 & & 0 ! ! dwOSVersionInfoSize.

, !8 6 0 / ) ) 1 !# ) dwPlat-

formId, wProductType, wProductType, dwMajorVersion dwMinorVersion !" 8 6.

18

) ) /! 02 ! ) 91& ) 7& 8 ) GlobalMemoryStatus. . 7& 8:

& & ! MEMORYSTATUS /:

typedef struct _MEMORYSTATUS {

} MEMORYSTATUS, *LPMEMORYSTATUS;

F "2 / 9 /&, # / 01 7& 8 GlobalMemoryStatus "2 / ! 8 ! 1!8 ) ) dwLength.

1.4. 2F2 - 2 2< 2. +6 2< .+

F! ! 9 ! &, 0 /)?&< ! G ! !:

•&< 7 !8 < " / 6 ! ) ! 2 # 2 / !2 2 !2;

•&< 7 !8 < ! );

•7 !8 < OS;

•7 !8 < &? 6 / &? # /-;

•/ ) 0 /! 2 "? 6, 9 G 1 B, 9- 1 ! 9 8&.

19

2.& )2. *- 12 4 /2. '2 .5 1

2.1.!- 2< 2. 0 2< .=

> ) /! 6 !" ! 6 !" 0 ) )< ):

1. ! 0 !" 0 ! / 6 6;

2.1 ! & 0 ! ! " !" 7- !8;

3.1 ! ! /! 0 7& 8 ) ! 7!6 ! /.

. / B 9 9 !" 0:

•! ) 9 !) !" ! – 4 #! !;

•!" ! ! 9< – 2 #! !.

2.2.= F- / . F2H 4-2 120

0, ! 1& 0 ! !, #! B !1/ 9 ! / & 0: 8 # & 0.

! ! D 91& ) ) & - / ) 7& 8, / ! !<? 1!/! ! 1 !# ) 6 B 7& 8, / & ! & !. ! ! - ) G 1 !#!, # 7& 8 ) 010 ! ! & "). F!, 0#-

7! ! ! 1!/! ) /&<? & 0 D:

0 = 1= ∙ − 1

. / ! 9 !) / ! ! /!:

= 1 ∙ 2 ∙ 3 ∙ 4 ∙ … ∙ = !

20

N & &< 7& 8 < 0# ) 7! ! ! B / !-

9 /&<? " !1:

double Factorial(int n)

{

double f;

if(n<0) return -1; // ƒ g

//# # > … • #=

//(#=? ! > ).

if(n==0 || n == 1) f = 1.0;

else

f = n*Factorial(n-1); return f;

}

A" ! ! ! 1 !# ) 1 !?! 7& 8 6

Factorial().

. ! & ) ?9< ! !

if(n==0 || n == 1)

" # ! 9 1 B 9 ) 0# ) 7!-

! 1! 0!, 1! D 7& 8 " 1 91- ! ) &. ! 0 2 / "- # , ! /, !. K / ! ! 6-

& 1! D < ! 0.

0# 7! ! ! /! 0 9- 1 ! ) 6 &. 1 B ! !) & ), /! 7& 8 ) " !?! ) " / !, .& 01 ! / & 6 7& 8 6 / B ) 01 6.

. &? ! & 02 ! ) )< ) 1!/!#!2,

02 G 1 9 2 / " 02 & G.

. / " 6 &!8 ) ) ) ! ! ! ( . 2.1): !B/!) ! ! B / B! 9 ! 7!6 0, ! / & !.

) , # "0 0 / B !B/ ! ! !, "2- / 0 9 / !8: 0 !1 ! ) 2 7!6 !2-