原文

The first line of the standard input holds three integers, , and (, ), separated by single spaces, that denote respectively: the number of rocks, the parameter , and the number of intended leaps.

The second line holds integers (), separated by single spaces, that denote the positions of successive rocks on the bed of the brook.

翻译

输入共一行三个整数：代表 $n$, $k$, $m$。

建议改为

输入第一行共三个整数：代表 $n$, $k$, $m$。

第二行共 $n$ 个整数，代表每个点的位置。