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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引言： 求解递归方程  ">
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 <div v:shape="_x0000_s68610" class=T><span style='position:absolute;
 top:4.0%;left:14.41%;width:83.14%'><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</span><span
 lang=ZH-CN style='color:yellow;mso-ansi-language:EN-US'>引言：</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'>求解递归方程<br>
 </span></span><span
 style='position:absolute;top:13.75%;left:14.41%;width:83.14%'><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 color:yellow;mso-fareast-language:ZH-CN'><span style="mso-spacerun:
 yes">&nbsp;</span></span></span></div>
 <div v:shape="_x0000_s68611" class=B>
 <div style='text-align:justify;mso-line-spacing:"90 20 0";position:absolute;
 top:20.5%;left:15.91%;width:69.85%;height:7.5%'><nobr><span style='mso-special-format:
 nobullet;display:none;color:#FFCC66;mso-color-index:3;font-family:Symbol;
 font-size:90%'>¨</span><span lang=EN-US style='font-family:"Times New Roman";
 mso-ascii-font-family:"Times New Roman";font-size:113%;color:yellow;
 mso-fareast-language:ZH-CN'>recurrence relations</span><span lang=EN-US
 style='font-size:113%;color:yellow;mso-fareast-language:ZH-CN'>（递归关系）&#13;</span></nobr></div>
 <div style='mso-line-spacing:"90 20 0";position:absolute;top:29.25%;
 left:15.91%;width:83.14%;height:7.5%'><span style='position:absolute;
 top:0%;left:4.72%;width:95.49%'><span style='font-size:113%;color:yellow'><span
 style='mso-special-format:bullet;color:#FFCC66;mso-color-index:3;position:
 absolute;left:-4.95%;top:.1em;font-family:Symbol;font-size:90%'>¨</span></span><span
 lang=EN-US style='font-family:"Times New Roman";mso-ascii-font-family:"Times New Roman";
 font-size:113%;color:yellow;mso-fareast-language:ZH-CN'>Why?</span><span
 lang=EN-US style='font-size:113%;color:yellow;mso-fareast-language:ZH-CN'>：&#13;</span></span></div>
 <div style='mso-line-spacing:"90 20 0";position:absolute;top:38.25%;
 left:15.91%;width:85.76%;height:7.5%'><span style='mso-special-format:nobullet;
 display:none;color:#FFCC66;mso-color-index:3;font-family:Symbol;font-size:
 90%'>¨</span><span lang=ZH-CN style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman";font-size:113%;mso-ansi-language:EN-US'><span
 style='mso-tab-count:1;width:4.37%'> </span></span><span lang=ZH-CN
 style='mso-ascii-font-family:宋体;font-size:88%;mso-ansi-language:EN-US'>算法<span
 style="mso-spacerun: yes">&nbsp; </span>－</span><span lang=ZH-CN
 style='font-family:Wingdings;mso-ascii-font-family:宋体;font-size:88%;
 mso-ansi-language:EN-US;mso-char-type:symbol'>à</span><span lang=ZH-CN
 style='font-family:宋体;mso-ascii-font-family:宋体;font-size:88%;mso-ansi-language:
 EN-US'><span style="mso-spacerun: yes">&nbsp; </span>循环 </span><span
 lang=ZH-CN style='mso-ascii-font-family:宋体;font-size:88%;mso-ansi-language:
 EN-US'>－</span><span lang=ZH-CN style='font-family:Wingdings;mso-ascii-font-family:
 宋体;font-size:88%;mso-ansi-language:EN-US;mso-char-type:symbol'>à</span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;font-size:88%;
 mso-ansi-language:EN-US'><span style="mso-spacerun: yes">&nbsp;&nbsp;
 </span>递归</span><span lang=ZH-CN style='mso-ascii-font-family:宋体;font-size:
 75%;color:#FFCC66;mso-color-index:3;mso-ansi-language:EN-US'>（基础）</span><span
 lang=EN-US style='mso-ascii-font-family:宋体;font-size:75%;color:#FFCC66;
 mso-color-index:3;mso-fareast-language:ZH-CN;display:none'>&#13;</span></div>
 <div style='mso-line-spacing:"90 20 0";position:absolute;top:47.5%;left:15.91%;
 width:83.14%;height:7.0%'><span style='position:absolute;top:0%;left:4.72%;
 width:95.49%'><span style='font-family:宋体;font-size:113%;color:yellow'><span
 style='mso-special-format:bullet;color:#FFCC66;mso-color-index:3;position:
 absolute;left:-4.95%;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:yellow;
 mso-ansi-language:EN-US'>重要性</span><span lang=ZH-CN style='font-size:113%;
 color:yellow;mso-ansi-language:EN-US'>：&#13;</span></span></div>
 <div style='mso-line-spacing:"90 20 0"'><span style='position:absolute;
 top:55.5%;left:15.91%;width:98.12%'><span style='mso-special-format:nobullet;
 display:none;color:#FFCC66;mso-color-index:3;font-family:Symbol;font-size:
 90%'>¨</span><span lang=ZH-CN style='font-family:"Times New Roman";mso-ascii-font-family:
 "Times New Roman";font-size:88%;mso-ansi-language:EN-US'><span
 style='mso-tab-count:1;width:3.82%'> </span></span><span lang=ZH-CN
 style='font-size:88%;mso-ansi-language:EN-US'>算法运行时间多存在递归关系，研究递归方程</span></span><span
 style='position:absolute;top:61.5%;left:19.85%;width:79.4%'><span lang=ZH-CN
 style='font-size:88%;mso-ansi-language:EN-US'>有利于提高效率。</span><span lang=ZH-CN
 style='mso-ascii-font-family:宋体;font-size:88%;color:#EEB00B;mso-color-index:
 4;mso-ansi-language:EN-US;display:none'>&#13;</span></span></div>
 <div style='mso-line-spacing:"90 20 0";position:absolute;top:68.75%;
 left:15.91%;width:83.14%;height:7.0%'><span style='position:absolute;
 top:0%;left:4.72%;width:95.49%'><span style='font-size:113%;color:yellow'><span
 style='mso-special-format:bullet;color:#FFCC66;mso-color-index:3;position:
 absolute;left:-4.95%;top:.1em;font-family:Symbol;font-size:90%'>¨</span></span><span
 lang=ZH-CN style='font-size:113%;color:yellow;mso-ansi-language:EN-US'>求解方法：&#13;</span></span></div>
 <div style='mso-line-spacing:"90 20 0";position:absolute;top:77.0%;left:15.91%;
 width:83.14%;height:5.5%'><span style='mso-special-format:nobullet;display:
 none;color:#FFCC66;mso-color-index:3;font-family:Symbol;font-size:90%'>¨</span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;font-size:88%;
 mso-ansi-language:EN-US'><span style='mso-tab-count:1;width:4.51%'> </span>a、生成函数法&#13;</span></div>
 <div style='mso-line-spacing:"90 20 0";position:absolute;top:84.0%;left:15.91%;
 width:83.14%;height:5.5%'><span style='mso-special-format:nobullet;display:
 none;color:#FFCC66;mso-color-index:3;font-family:Symbol;font-size:90%'>¨</span><span
 lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:宋体;font-size:88%;
 mso-ansi-language:EN-US'><span style='mso-tab-count:1;width:4.51%'> </span>b、特征方程法&#13;</span></div>
 <div style='mso-line-spacing:"90 20 0";position:absolute;top:90.75%;
 left:15.91%;width:83.14%;height:5.5%'><span style='mso-special-format:nobullet;
 display:none;color:#FFCC66;mso-color-index:3;font-family:Symbol;font-size:
 90%'>¨</span><span lang=ZH-CN style='font-family:宋体;mso-ascii-font-family:
 宋体;font-size:88%;mso-ansi-language:EN-US'><span style='mso-tab-count:1;
 width:4.51%'> </span>c、递推法</span></div>
 </div>
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