Problems Description
<span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;"> 输入nitems整数,输出倒数Page mitems数。</span><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 一行为n,m;表示有nitems整数</span><br /> <span style="color:#666666;font-family:Arial;line-height:15px;background-color:#FFFFFF;"> Page 二行有nitems整数</span><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;"> 倒数Page mitems数</span>
Input格式
<span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">6 4</span><br /> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">4 3 2 1 6 5</span>
Output格式
<span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">2</span><br /> <span style="color:#666666;font-family:'Courier New';line-height:15px;background-color:#FFFFFF;">说明:倒数Page 4items数字就是2</span>
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