#include "std_lib_facilities.h"
int main()
try {
	// your code here 
	//std::string::size_type sz;   // alias of size_t
	string s = "ape"; if (s == "fool") cout << "Success!\n"; //10 is fine
	//string str = "ape"; if (stoi("fool",&sz)) cout << "Success!\n";//12 after adding stoi()
	vector<char> v(5);
	for (int i = 0; i < v.size(); ++i) {
		cout << "Success!\n"; //13
		cout << "v[" << i << "]=" << v[i];
	}
	string s2 = "Success!\n"; for (int i = 0; i < 6; ++i) cout << s2[i]; //15
	string s3 = "Success!\n"; 
	for (int i = 0; i < 10; ++i) 
		cout << s3[i]; //18
	int x = 2; 
	double d = 5.0 / (x-2); 
	if (d == 2 * x + 0.5) 
		cout << "Success!\n";
	string s5 = "Success!\n";
	return 0;
}
catch (exception& e) {
	cerr << "error: " << e.what() << '\n';
	return 1;
}
catch (...) {
	cerr << "Oops: unknown exception!\n";
	return 2;
}