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【创新型】Page 7章:函数 数字拆解

📝 Solutions 🔵 仅限 C++
Problems Description
<p class="p0"> 3&nbsp;=&nbsp;2+1&nbsp;=&nbsp;1+1+1 Total<span>三种拆法&nbsp;&nbsp;</span> </p> <p class="p0"> 4&nbsp;=&nbsp;3&nbsp;+&nbsp;1&nbsp;=&nbsp;2&nbsp;+&nbsp;2&nbsp;=&nbsp;2&nbsp;+&nbsp;1&nbsp;+&nbsp;1&nbsp;=&nbsp;1&nbsp;+&nbsp;1&nbsp;+&nbsp;1&nbsp;+&nbsp;1&nbsp;<span>Total五种拆法</span> </p> <p class="p0"> 5&nbsp;=&nbsp;4&nbsp;+&nbsp;1&nbsp;=&nbsp;3&nbsp;+&nbsp;2&nbsp;=&nbsp;3&nbsp;+&nbsp;1&nbsp;+&nbsp;1&nbsp;=&nbsp;2&nbsp;+&nbsp;2&nbsp;+&nbsp;1&nbsp;=&nbsp;2&nbsp;+&nbsp;1&nbsp;+&nbsp;1&nbsp;+&nbsp;1&nbsp;=&nbsp;1&nbsp;+&nbsp;1&nbsp;+1&nbsp;+1&nbsp;+1&nbsp;&nbsp;&nbsp;<span>Total七种拆法</span> </p> <p class="p0"> 依此类推,请问一items从键盘输入的<span>n</span><span>值(</span><span>2&lt;n&lt;100</span><span>)拆解方法有多少种?</span> </p>
Input格式
<p class="p0"> 1<span>items数</span><span>n</span><span>。表示要拆解的数字。</span> </p>
Output格式
<p class="p0"> 1<span>items数。表示拆解方法的items数。</span> </p>
Sample
Sample Input 1
10
Sample Output 1
42
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