题解 | #单词倒排#

无脑调用标准库

#include<iostream>
#include<vector>
#include<algorithm>
#include<sstream>

int main(int argc, char const *argv[])
{
    std::vector<std::string> snum;
    std::string stmp;
    std::string mstmp;
    while (std::cin >> stmp)
    {
        for(auto c : stmp)
        {
            if ( (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') )
            {
                mstmp.push_back(c);
            }
            else{
              //不是字母的值，进行写入，可以写入空字符，空字符默认不会保存在vector
                snum.push_back(mstmp);
                mstmp.clear();
            }
            
        }
      //最后一个字符是字母，写入vector
        snum.push_back(mstmp);
        mstmp.clear();
    }
    std::reverse(snum.begin(), snum.end());

    for (auto s : snum)
    {
        std::cout << s << " ";
    }
    return 0;
}