摘要：
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word 阅读全文
摘要：
#include #include std::vector s_split(const std::string& in, const std::string& delim) { std::regex re{ delim }; // 调用 std::vector::vector (InputIterator first, InputIterator last,const all... 阅读全文