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<p>题目：</p>
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<li><a href="/post/AOJ/275.html">AOJ 275.Charm Bracelet</a></li>
<li><a href="/post/AOJ/524.html">AOJ 524.桂园食堂</a></li>
<li><a href="/post/HDU/2870.html">HDU 2870.Largest Submatrix</a></li>
<li><a href="/post/HDU/2830/html">HDU 2830.Matrix Swapping II</a></li>
<li><a href="/post/HDU/1257.html">HDU 1257.最少拦截系统</a></li>
<li><a href="/post/HDU/1159.html">HDU 1159.Common Subsequence</a></li>
<li><a href="/post/HDU/1421.html">HDU　1421.搬寝室</a></li>
<li><a href="/post/HDU/1058.html">HDU 1058.Humble Numbers</a></li>
<li><a href="/post/HDU/1789.html">HDU 1789.Doing Homework again</a></li>
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