C/C++/Python/Ruby比較6

文字列を読み込み、相異なる文の種類の数を表示する。具体的には以下のデータで７と表示されればよい。

    Is this the first line?
    Yes, it is.
    This is the second.
    I think that was the third.
    Is this the first line?
    No, it is not.
    But this is not the last?
    No, it is not.
    This is the true last line.
    No, it is not.

なんともC言語は使いにくいと思わせてくれる課題。