上线人数

<span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">余姚中学高三全省联考刚刚结束，经过各科老师的努力，各items学科的改卷工作终于结束了，每位同学的各科points数也已经结算完毕。此时，校长拿到了清华大学的理科预估points数线k，可是每位同学的总points还没有计算出来。每位同学Total有m门成绩，包括语文、数学、外语、综合、IB模块等。</span><br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">校长请你帮忙，统计一下，总points可以达到清华大学points数线的同学人数。（总points大于或等于points数线即可）</span><br /> <br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">【输入】</span><br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">Page 一行三items整数n，m和k，points别表示参加Exam的人数，Exam门数和预估points数线。</span><br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">1&lt;=n&lt;=1000, 3&lt;=m&lt;=7，600&lt;=k&lt;=810，。</span><br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">接下来n行，每行mitems整数，表示每位同学的m门学科的成绩。成绩0&lt;=x&lt;=300。</span><br /> <br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">【输出】</span><br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;">一items整数，表示达到points数线的人数。</span>

<span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">3 5 721</span><br /> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">123 141 136 288 56</span><br /> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">103 120 111 250 50</span><br /> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">133 130 141 270 58</span>

<p> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">2</span> </p> <p> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;"><br /> </span> </p> <p> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;"><br /> </span> </p> <p> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;"> <table height="0" border="0" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF" style="color:#666666;font-family:Arial;font-size:12px;" class="ke-zeroborder"> <tbody> <tr> </tr> <tr> <td width="452" align="left" valign="top" class="stylefornew" style="font-family:'Courier New';"> 【样例解释】<br /> 三人，每人有5门成绩，总pointspoints别为744,633,732，达到721points数线的人Total有2人。<br /> </td> </tr> <tr> <td width="14" height="14" style="font-family:Arial;"> </td> </tr> </tbody> </table> <br /> </span> </p>