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📁 一些算法小技巧 有利于学习C语言 在C语言和JAVA中都可以用的
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<title>贪婪（贪心）算法 Greedy Algorithm </title>
<meta name=Description content="2005/9/19: 2.2.1 生成函数及其性质 ：">
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 <div v:shape="_x0000_s102402" class=T style='position:absolute;top:9.0%;
 left:14.41%;width:84.45%;height:9.25%'><span lang=ZH-CN style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";color:yellow;
 mso-ansi-language:EN-US'>2.2.1 </span><span lang=ZH-CN style='color:yellow;
 mso-ansi-language:EN-US'>生成函数及其性质</span><span lang=ZH-CN style='font-family:
 "Times New Roman";mso-ascii-font-family:"Times New Roman";color:yellow;
 mso-ansi-language:EN-US'> </span><span lang=ZH-CN style='color:yellow;
 mso-ansi-language:EN-US'>：</span></div>
 <div v:shape="_x0000_s102403">
 <div class=B style='position:absolute;top:25.25%;left:14.41%;width:83.14%;
 height:7.0%'><span style='position:absolute;top:0%;left:4.5%;width:95.49%'><span
 style='font-family:宋体;font-size:113%;color:#FFCC66;mso-color-index:3'><span
 style='mso-special-format:bullet;position:absolute;left:-4.71%;top:.1em;
 font-family:Symbol;font-size:90%'>¨</span></span><span lang=ZH-CN
 style='mso-ascii-font-family:宋体;font-size:113%;color:#FFCC66;mso-color-index:
 3;mso-ansi-language:EN-US'>生成函数的性质：&#13;</span></span></div>
 <div class=B1 style='position:absolute;top:34.25%;left:19.28%;width:78.08%;
 height:5.5%'><span style='mso-special-format:nobullet;display:none'>–</span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;color:#FFCC66;
 mso-color-index:3;mso-ansi-language:EN-US'>1、</span><span lang=ZH-CN
 style='mso-ascii-font-family:宋体;mso-ansi-language:EN-US'>线性性质</span><span
 lang=ZH-CN style='mso-ascii-font-family:宋体;mso-ansi-language:EN-US'>（加法）</span><span
 lang=ZH-CN style='mso-ascii-font-family:宋体;mso-ansi-language:EN-US;display:
 none'>&#13;</span></div>
 <div class=B1 style='position:absolute;top:41.25%;left:19.28%;width:78.08%;
 height:4.75%'><span style='mso-special-format:nobullet;display:none'>–</span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'><span style='mso-tab-count:1;width:4.0%'> </span>a.
 </span><span lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;
 font-size:86%;mso-fareast-language:ZH-CN'><i>b</i></span><span lang=EN-US
 style='font-family:宋体;mso-ascii-font-family:宋体;font-size:57%;position:relative;
 top:.37em;mso-text-raise:-25%;mso-fareast-language:ZH-CN'><i>k</i></span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-ansi-language:EN-US'>=α</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>a</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:57%;
 position:relative;top:.37em;mso-text-raise:-25%;mso-fareast-language:ZH-CN'><i>k</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>, 则</span><span lang=EN-US style='font-family:
 宋体;mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>B</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>(</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>x</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>)= α</span><span lang=EN-US style='font-family:
 宋体;mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>A</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>(</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>x</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>)&#13;</span></div>
 <div class=B1 style='position:absolute;top:47.75%;left:19.28%;width:78.08%;
 height:4.75%'><span style='mso-special-format:nobullet;display:none'>–</span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'><span style='mso-tab-count:1;width:4.0%'> </span>b.
 </span><span lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;
 font-size:86%;mso-fareast-language:ZH-CN'><i>c</i></span><span lang=EN-US
 style='font-family:宋体;mso-ascii-font-family:宋体;font-size:57%;position:relative;
 top:.37em;mso-text-raise:-25%;mso-fareast-language:ZH-CN'><i>k</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>=</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>a</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:57%;
 position:relative;top:.37em;mso-text-raise:-25%;mso-fareast-language:ZH-CN'><i>k</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>+</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>b</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:57%;
 position:relative;top:.37em;mso-text-raise:-25%;mso-fareast-language:ZH-CN'><i>k</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>, 则</span><span lang=EN-US style='font-family:
 宋体;mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>C</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>(</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>x</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>)=</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>A</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>(</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>x</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>)+</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>B</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>(</span><span lang=EN-US style='font-family:宋体;
 mso-ascii-font-family:宋体;font-size:86%;mso-fareast-language:ZH-CN'><i>x</i></span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;font-size:86%;
 mso-fareast-language:ZH-CN'>)&#13;</span></div>
 <div class=B1 style='position:absolute;top:54.5%;left:19.28%;width:78.08%;
 height:5.5%'><span style='mso-special-format:nobullet;display:none'>–</span><span
 lang=EN-US style='font-family:宋体;mso-ascii-font-family:宋体;mso-fareast-language:
 ZH-CN'>2、移位性质：&#13;</span></div>
 <div class=B1 style='position:absolute;top:62.0%;left:19.28%;width:78.08%;
 height:5.5%'><span style='mso-special-format:nobullet;display:none'>–</span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;mso-ansi-language:
 EN-US'>3、乘法性质：&#13;</span></div>
 <div class=B1 style='position:absolute;top:69.25%;left:19.28%;width:78.08%;
 height:5.5%'><span style='mso-special-format:nobullet;display:none'>–</span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;mso-ansi-language:
 EN-US'>4、z变换：&#13;</span></div>
 <div class=B1 style='position:absolute;top:76.75%;left:19.28%;width:78.08%;
 height:5.5%'><span style='mso-special-format:nobullet;display:none'>–</span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;mso-ansi-language:
 EN-US'>5、微分和积分&#13;</span></div>
 <div class=B><span style='position:absolute;top:84.5%;left:14.41%;width:96.25%'><span
 style='mso-special-format:nobullet;display:none;font-family:Symbol;font-size:
 90%'>¨</span><span lang=ZH-CN style='mso-ascii-font-family:宋体;color:#FFCC66;
 mso-color-index:3;mso-ansi-language:EN-US'>理解：</span><span lang=ZH-CN
 style='mso-ascii-font-family:宋体;mso-ansi-language:EN-US'>通过基本序列的生成函数来构造复</span></span><span
 style='position:absolute;top:91.75%;left:18.16%;width:79.4%'><span lang=ZH-CN
 style='mso-ascii-font-family:宋体;mso-ansi-language:EN-US'>杂序列的生成函数</span></span></div>
 </div>
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