stringstream ss; getline(cin, ss); string name; string course; string grade; ss >> name >> course >> grade; 我遇到的错误是 XCode 告诉我没有匹配的函数调用getline这让我很困惑。 I have included thestringlibrary, so I’m guessing the error has to do with usinggetlineto read in fromcinto astringstream?这里的任...