1.19

#include <iostream>
#include <strstream>
using namespace std;
int main(){
	char iobuf[255];
	strstream iostr (iobuf, sizeof iobuf) ; 
	iostr << "tekshrish \n";
	iostr << 100 << hex << ' ' << 100 << ends;
	char str[80]; int i ;
	iostr.getline(str, 79); 
	iostr >> dec >> i;
	cout << str << ' ' << i << ' ';
	iostr >> hex >> i; 
	cout << hex << i << endl;
	system("pause");
return 0;
}
Run on cpp.sh