exercise6_30.cpp

#include <iostream>
#include <string>

using namespace std;

bool str_subrange(const string& str1, const string& str2)
{
	if (str1.size() == str2.size())
		return str1 == str2;
	auto size = (str1.size() < str2.size()) ? str1.size() : str2.size();

	for (decltype(size) i = 0; i != size; ++i)
	{
		if (str1[i] != str2[i])
			return;
	}
}

int main(void)
{

	return 0;
}