s at least H-1000 millimeters above the ground, she can nimbly climb from there onto the platform atop the wall. Bessie can start at any X location that has a Y location &lt;= 1000 millimeters. Given the height of the wall and the locations of the hoof-holds, determine the smallest number of hoof-holds Bessie should use to reach the top.</span></p>
<p><span style="font-size: medium">&nbsp;</span></p>
<p><span style="font-size: medium">Bessie参加了爬墙比赛，比赛用的墙宽30000,高H(1001 &lt;= H