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