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Брянская государственная инженерно-технологическая академия

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[НЕСОРТИРОВАННОЕ]

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Examination_IT / Programming bases on With C++

.pdf

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<<< < Предыдущая 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2425 / 2725 26 27 > Следующая >>>

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8 58 9 10.1. !6:; Ex10_01.cpp

#include "stdafx.h"

	245
#include <iostream>	// AQRQPQ<DK <<Q^-<D<Q^.
#include <locale.h>	// ^=; setlocale.
#include <iomanip>	// <P=mJ>?@> CH?@Ab=;RQBQ<.
#include <fstream>	// ^=; ofstream.
using namespace std;

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

// t=H<?H; ab?Pc@;. void main()

{

setlocale(LC_CTYPE, "Russian_Russia.1251"); const double PI = 3.1415926535897932;

char text1[] = "•>=D> J@F=H:";		// A>B<DK
		// IHdQ=Q<QP.
char text2[] = "‚>{>FR<>??D> J@F=H:"; // <RQBQK
const int iN = 5;		// IHdQ=Q<QP.
	// PQ=@J>FR<Q c>=DE J@F>=.
int iNumber[iN] = {3, -998, 73, 456, 56};
const int fN = 4;	// PQ=@J>FR<Q <>{>FR<>??DE
	// J@F>=.

double fNumber[fN] = {PI/3.0, PI*345.0, -1.0*PI/56777.0, -1.0*PI*0.567};

char NameFile[] = "TestFile.txt"; // @C; aHK=H.

ofstream file; // FQI^H>C Q9:>PR R@AH aHK=. // 8RPBD<H>C aHK= F @C>?>C NameFile.

file.open(NameFile);	// QRPBD<H>C aHK=.
if(!file.is_open())	// >F=@ Qw@9PH.
{

cout << "8w@9PH QRPBDR@; aHK=H \"" << NameFile; cout << "\"" << endl;

cout << "GBQdBHCCH BH9QRb IHPQ?J@=H." << endl; system("pause");

return;

}

// G@w>C @?aQBCHc@m < aHK=.

file << text1 << endl;	// A>B<DK IHdQ=Q<QP.
file << iN << endl;	// A@w>C PQ=@J>FR<Q c>=DE
	// J@F>=.

for(int i=0; i<iN; i++)

file << setw(5) << iNumber[i]; file << endl;

	246
file << text2 << endl;	// <RQBQK IHdQ=Q<QP.
file << fN << endl;	// A@w>C PQ=@J>FR<Q
	// <>{>FR<>??DE J@F>=.

for(int i=0; i<fN; i++)

file << setprecision(8) << scientific << fNumber[i] << endl;

file.close(); // IHPBD<H>C aHK=.

cout << "~H??D> IHA@FH?D < R>PFRQ<DK aHK=: " << NameFile;

cout << endl;

// †^>C ?HkHR@; =m9QK P=H<@w@ P=H<@HRbBD. system("pause");

}

D. 10.2. e TestFile.txt, -

Ex10_01

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8 58 9 10.2. !6:; Ex10_02.cpp

#include "stdafx.h"	// AQRQPQ<DK <<Q^-<D<Q^.
#include <iostream>	// AQRQPQ<DK <<Q^-<D<Q^.
#include <locale.h>	// ^=; setlocale.
#include <iomanip>	// <P=mJ>?@> CH?@Ab=;RQBQ<.
#include <fstream>	// ^=; ifstream.
#define LIMTEXT 255
using namespace std;

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

// t=H<?H; ab?Pc@;. void main()

{

setlocale(LC_CTYPE, "Russian_Russia.1251"); char buffer[LIMTEXT];

int Len;

char *text1; // A>B<DK IHdQ=Q<QP. char *text2; // <RQBQK IHdQ=Q<QP.

int iN; // PQ=@J>FR<Q c>=DE J@F>=.

		248
int	*iNumber;
int	fN;	// PQ=@J>FR<Q <>{>FR<>??DE J@F>=.
double *fNumber;
char	NameFile[] = "TestFile.txt"; // @C; aHK=H.

ifstream file; // FQI^H>C Q9:>PR R@AH aHK=. // 8RPBD<H>C aHK= F @C>?>C NameFile.

file.open(NameFile);	// QRPBD<H>C aHK=.
if(!file.is_open())	// >F=@ Qw@9PH.
{

cout << "8w@9PH QRPBDR@; aHK=H \"" << NameFile; cout << "\"" << endl;

cout << "GBQdBHCCH BH9QRb IHPQ?J@=H." << endl; system("pause");

return;

}

// ‘@RH>C A>B<DK IHdQ=Q<QP < 9Q=fwQK 9ba>B. file.getline(buffer, LIMTEXT-1); // A>B<DK

// IHdQ=Q<QP.

Len = strlen(buffer); text1 = new char[Len+1];

strcpy_s(text1, Len+1, buffer);

//‘@RH>C PQ=@J>FR<Q c>=DE J@F>=. file >> iN;

iNumber = new int[iN]; for(int i=0; i<iN; i++) file >> iNumber[i];

//‘@RH>C <RQBQK IHdQ=Q<QP < 9Q=fwQK 9ba>B. file.getline(buffer, LIMTEXT);// J@RH>C F@C<Q= ?Q<QK

// FRBQP@. file.getline(buffer, LIMTEXT);// <RQBQK IHdQ=Q<QP. Len = strlen(buffer);

text2 = new char[Len+1]; strcpy_s(text2, Len+1, buffer);

// ‘@RH>C PQ=@J>FR<Q <>{>FR<>??DE J@F>=. file >> fN;

fNumber = new double[fN]; for(int i=0; i<fN; i++)

file >> fNumber[i];

cout << "~H??D>, ABQJ@RH??D> @I R>PFRQ<QdQ aHK=H "

249

<< NameFile << ":" ; cout << endl;

cout << text1 << endl;

cout << "]Q=@J>FR<Q c>=DE J@F>=: " << iN << endl; for(int i=0; i<iN; i++)

cout << setw(5) << iNumber[i]; cout << endl;

cout << text2 << endl;

cout << "]Q=@J>FR<Q <>{>FR<>??DE J@F>=: " << fN << endl;

for(int i=0; i<fN; i++)

cout << setprecision(10) << scientific << fNumber[i] << endl;

file.close(); // IHPBD<H>C aHK=.

//8F<Q9Qk^H>C AHC;Rf. delete text1;

delete text2; delete iNumber; delete fNumber;

//†^>C ?HkHR@; =m9QK P=H<@w@ P=H<@HRbBD. system("pause");

}

D. 10.3. D Ex10_02

250

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char c = 'A';

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