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1082.html
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<html>
<head>
<meta charset="UTF-8">
<meta content="IE=edge" http-equiv="X-UA-Compatible">
<meta content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no, width=device-width" name="viewport">
<title>1082:[SCOI2005]栅栏</title>
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<link href="../css/base.min.css" rel="stylesheet">
<link href="../css/project.min.css" rel="stylesheet">
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<body class="page-brand">
<header class="header header-transparent header-waterfall ui-header">
<ul class="nav nav-list pull-left">
<li>
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</a>
</li>
</ul>
<a class="header-logo header-affix-hide margin-left-no margin-right-no" data-offset-top="213" data-spy="affix">[SCOI2005]栅栏</a>
<span class="header-logo header-affix margin-left-no margin-right-no" data-offset-top="213" data-spy="affix">[SCOI2005]栅栏</span>
</header>
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<a class="menu-logo" href="../index.html">BZOJ离线题库</a>
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<li>
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<h1 class="content-heading">
[SCOI2005]栅栏 </h1>
<p>时间限制:10s 空间限制:162MB</p> </div>
</div>
<div class="container">
<section class="content-inner margin-top-no">
<div class="row">
<div class="col-lg-13 col-md-13">
<div class="card margin-bottom-no">
<div class="card-main">
<div class="card-inner">
<h3>题目描述</h3><p><p> 农夫约翰打算建立一个栅栏将他的牧场给围起来,因此他需要一些特定规格的木材。于是农夫约翰到木材店购<br />
买木材。可是木材店老板说他这里只剩下少部分大规格的木板了。不过约翰可以购买这些木板,然后切割成他所需<br />
要的规格。而且约翰有一把神奇的锯子,用它来锯木板,不会产生任何损失,也就是说长度为10的木板可以切成长<br />
度为8和2的两个木板。你的任务:给你约翰所需要的木板的规格,还有木材店老板能够给出的木材的规格,求约翰<br />
最多能够得到多少他所需要的木板。</p></p><hr/><h3>输入格式</h3><p><p> 第一行为整数m(m<= 50)表示木材店老板可以提供多少块木材给约翰。紧跟着m行为老板提供的每一块木板的长<br />
度。接下来一行(即第m+2行)为整数n(n <= 1000),表示约翰需要多少木材。接下来n行表示他所需要的每一块木板<br />
的长度。木材的规格小于32767。(对于店老板提供的和约翰需要的每块木板,你只能使用一次)。</p></p><hr/><h3>输出格式</h3><p><p> 只有一行,为约翰最多能够得到的符合条件的木板的个数。</p></p><hr/><h3>样例输入</h3><pre>4
30
40
50
25
10
15
16
17
18
19
20
21
25
24
30</pre><hr/><h3>样例输出</h3><pre>7</pre><hr/><h3>提示</h3><p><p><span style="font-size: medium;">25切出 21 30切出 20 40切出 19、18 50切出 15、16、17</span></p></p><hr/><h3>题目来源</h3><p>没有写明来源</p>
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