Tizimli dasturlash Labaratoriya ishi 2

Muhammad Al-Xorazmiy nomidagi Toshkent axborot texnologiyalari universiteti

Fan nomi:Tizimli dasturlash

Labaratoriya ishi 2
Variant №9

Mavzu: Tizimli dasturlash nazariyasining asosiy tushunchalaridan biri bo‘lgan fayl va matnli fayllar bilan ishlash

Guruh: SPP001-L1 
Bajardi:Hamroyev Doniyor
Tekshirdi: Ergashev Sirojiddin
Toshkent -2022
Tizimli dasturlash nazariyasining asosiy tushunchalaridan biri bo‘lgan fayl va matnli fayllar bilan ishlash
1)#include
#include
#include

using namespace std;

//Ghanendra Yadav
int main()
{
ifstream inFile;
char filename[20];

cout<<"Enter The File Name With Extension\n";

cin>>filename;

inFile.open(filename);

/*Here You Have To Create A File And put some data on it. 
Then Save the with Any Extension With File Name As Above Shown */

if (!inFile)

{
cerr << "File example.txt not found." << endl;
return -1;
}

ofstream outFile("sum.txt");

/*Here You Have Sum Of File Line By Line Sum */
string line;

while (getline(inFile, line))

{
if (line.empty()) 
continue;

istringstream iss(line);

int sum = 0, next = 0;
while (iss >> next) 
sum += next;
outFile << sum << endl;
}

inFile.close();

outFile.close();

cout<<"File Created Successfully Go To Sum.txt File And Open\n";

return 0;

2) #include
#include
using namespace std;

int main(void)

{
string test;
test="this is a test"
test.replace(' ','~')// replace the space with ~
cout << test;

return 0

3) #include // function exit() is in cstdlib
#include // class ofstream() is in fstream
#include
#include
using namespace std;

int main()

{
ofstream fout;
ifstream fin; // declare an input file stream
string name;
int x(0);
double avg(0.0);
int sum(0);

cout << "Enter file name: ";

cin >> name;

// open file file_name for input

fin.open(name.c_str(), ios::in);

// check if file is opened for input

if (!fin.is_open())
{
cerr << "Unable to open file " << name << endl;
exit(10);
}

// read text from file

fin >> x;
int ne(0);
int oe(0);
while (!fin.fail())
{
cout << "Read integer: " << x << endl;
fin >> x;

sum += x;

if (x%2 == 0)
{ ne++; }

else
{ oe++;}

}

avg = sum/(ne+oe);

cout << "The sum if the integers is:" << sum << endl;
cout << "The average of the integers is:" << avg << endl;
cout << "The number of even integers is:" << ne << endl;
cout << "The number of odd integers is:" << oe << endl;