ferencd@0: #include <algorithm>
ferencd@0: #include <regex>
ferencd@0: 
ferencd@0: int parse_line(std::string const& line)
ferencd@0: {
ferencd@0: 	std::string tmp;
ferencd@0: 	if(std::regex_search(line, std::regex("(\\s)+(-)?(\\d)+//(-)?(\\d)+(\\s)+"))) {
ferencd@0: 		tmp = std::regex_replace(line, std::regex("(-)?(\\d)+//(-)?(\\d)+"), std::string("V"));
ferencd@0: 	} else if(std::regex_search(line, std::regex("(\\s)+(-)?(\\d)+/(-)?(\\d)+(\\s)+"))) {
ferencd@0: 		tmp = std::regex_replace(line, std::regex("(-)?(\\d)+/(-)?(\\d)+"), std::string("V"));
ferencd@0: 	} else if(std::regex_search(line, std::regex("(\\s)+(-)?(\\d)+/(-)?(\\d)+/(-)?(\\d)+(\\s)+"))) {
ferencd@0: 		tmp = std::regex_replace(line, std::regex("(-)?(\\d)+/(-)?(\\d)+/(-)?(\\d)+"), std::string("V"));
ferencd@0: 	} else {
ferencd@0: 		tmp = std::regex_replace(line, std::regex("(-)?(\\d)+"), std::string("V"));
ferencd@0: 	}
ferencd@0: 	return static_cast<int>(std::count(tmp.begin(), tmp.end(), 'V'));
ferencd@0: }
ferencd@0: 
ferencd@0: int main()
ferencd@0: {
ferencd@0: 	bool test = (parse_line("f 7/7/7 -3/3/-3 2/-2/2") == 3) &&
ferencd@0: 				(parse_line("f 7//7 3//-3 -2//2") == 3) &&
ferencd@0: 				(parse_line("f 7/7 3/-3 -2/2") == 3) &&
ferencd@0: 				(parse_line("f 7 3 -2") == 3);
ferencd@0: 	return test ? 0 : 1;
ferencd@0: }