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#include <iostream>
#include <strstream> 
using namespace std;
int main() {
	char buf[255]; // chiqarish uchun bufer
	ostrstream ostr(buf, sizeof buf); // chiqarish uchun massiv
	ostr << "kirish/chiqish massiv oqimi bilan ishlaydi.\n";
	ostr << "oddiy kirish/chiqish kabi: \n " << 100;
	ostr << ' ' << 123.23 << '\n';
	// manipulyatordan ham foydalanish mumkin 
	ostr << hex << 100 << ' ';
	// identifikatordam ham 
	ostr.setf(ios::scientific);
	ostr << 123.45 << ' ';
	ostr << ends;
	// oxirgi natijani chiqarish 
	cout << buf;
	system("pause");
	return 0;
}