<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Donaldfrist的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Donaldfrist</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Donaldfrist]]></copyright><item><title><![CDATA[快排-python]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/142827939</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/142827939</guid><author>Donaldfrist</author><pubDate>Thu, 10 Oct 2024 17:42:08 +0800</pubDate><description><![CDATA[【代码】快排-python。]]></description><category></category></item><item><title><![CDATA[python的一些函数]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/142615352</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/142615352</guid><author>Donaldfrist</author><pubDate>Sat, 28 Sep 2024 14:22:03 +0800</pubDate><description><![CDATA[查找字符串最后一次出现的位置，不在返回-1。]]></description><category></category></item><item><title><![CDATA[【无标题】python大小写转换]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/142492999</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/142492999</guid><author>Donaldfrist</author><pubDate>Tue, 24 Sep 2024 16:17:37 +0800</pubDate><description><![CDATA[这条语句的作用是先接收用户的输入，然后将输入的内容转换为小写形式。它的作用是先获取用户的输入，接着将输入的内容转换为大写形式。也是 Python 中的代码语句。是 Python 中的代码语句。]]></description><category></category></item><item><title><![CDATA[python判断大小写字母]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/142491534</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/142491534</guid><author>Donaldfrist</author><pubDate>Tue, 24 Sep 2024 15:37:35 +0800</pubDate><description><![CDATA[用于判断字符串中的所有字母是否都是小写字母。如果字符串中所有字母都是小写，则返回。进行判断的字符串对象。]]></description><category></category></item><item><title><![CDATA[python去除空格join()]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/142491217</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/142491217</guid><author>Donaldfrist</author><pubDate>Tue, 24 Sep 2024 15:30:24 +0800</pubDate><description><![CDATA[方法时，它会根据指定的分隔符将字符串分割成多个子字符串，并将这些子字符串以列表的形式返回。如果不指定分隔符，默认情况下。会以空白字符（如空格、制表符、换行符等）作为分隔符进行分割。方法将这个字符串按照默认的空白字符分隔符分割成一个列表。用于将序列中的元素以指定的字符连接成一个新的字符串。是字符串对象的方法。获取用户输入的字符串，然后使用。一起使用时，它首先通过。]]></description><category></category></item><item><title><![CDATA[排序（4）-快速排序]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/129561476</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/129561476</guid><author>Donaldfrist</author><pubDate>Wed, 15 Mar 2023 17:12:06 +0800</pubDate><description><![CDATA[【代码】排序（4）-快速排序。]]></description><category></category></item><item><title><![CDATA[一些位运算＜＜,＞＞,&]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/129556755</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/129556755</guid><author>Donaldfrist</author><pubDate>Wed, 15 Mar 2023 15:23:32 +0800</pubDate><description><![CDATA[例如：输入一个 3232 位整数，输出该数二进制表示中 11 的个数。lowbit(x) = x & -x，返回x的最后一位1。>>对于二进制而言，右移就是删去最后一位，1100->110。> k & 1。]]></description><category></category></item><item><title><![CDATA[数字排列next_permutation]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/129555447</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/129555447</guid><author>Donaldfrist</author><pubDate>Wed, 15 Mar 2023 14:56:15 +0800</pubDate><description><![CDATA[输入一组数字（可能包含重复数字），输出其所有的排列方式。函数的功能是将数组中选定范围的数按照字典序进行全排列.他可以求出比一个排列大的下一个排列。输入数组长度 [0,6]。]]></description><category></category></item><item><title><![CDATA[reverse()函数的一些解释]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/128027671</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/128027671</guid><author>Donaldfrist</author><pubDate>Thu, 24 Nov 2022 21:58:12 +0800</pubDate><description><![CDATA[使用reverse函数时，两个参数需要用首地址和尾地址来指定反转区域。]]></description><category></category></item><item><title><![CDATA[getline的一些问题]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127895107</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127895107</guid><author>Donaldfrist</author><pubDate>Wed, 16 Nov 2022 22:48:39 +0800</pubDate><description><![CDATA[当我们输入k后并且敲了一个\n，这时缓冲区是k\n；把k取走后，会剩下\n，这时getline会发现缓冲区有\n，于是会把\n取走，所以这时的a就是\n，你在输入的就是字符串b。所以要把\n取走，添加一个getchar（）或cin.get（）。使用getline输入字符串时要注意回车问题。]]></description><category></category></item><item><title><![CDATA[字符串插入]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127839211</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127839211</guid><author>Donaldfrist</author><pubDate>Sun, 13 Nov 2022 23:02:40 +0800</pubDate><description><![CDATA[字符串插入]]></description><category></category></item><item><title><![CDATA[string的输入输出]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127833296</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127833296</guid><author>Donaldfrist</author><pubDate>Sun, 13 Nov 2022 16:04:43 +0800</pubDate><description><![CDATA[不能直接用printf("%s\n",s);要用s.c_str();]]></description><category></category></item><item><title><![CDATA[求字符串中某个子串的个数]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127739964</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127739964</guid><author>Donaldfrist</author><pubDate>Mon, 07 Nov 2022 21:37:51 +0800</pubDate><description><![CDATA[【代码】求字符串中某个子串的个数。]]></description><category></category></item><item><title><![CDATA[输入带空格的字符串]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127721590</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127721590</guid><author>Donaldfrist</author><pubDate>Sun, 06 Nov 2022 21:30:59 +0800</pubDate><description><![CDATA[尽量选用2,5这两种。]]></description><category></category></item><item><title><![CDATA[最小公倍数和最大公约数]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127720882</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127720882</guid><author>Donaldfrist</author><pubDate>Sun, 06 Nov 2022 20:48:06 +0800</pubDate><description><![CDATA[用辗转相除法求最大公约数，再用乘积除以最大公约数，得到最小公倍数。两个数的乘积=这两个数的最小公倍数x最大公约数。这个比暴力法运算更短。]]></description><category></category></item><item><title><![CDATA[求平均数，带权重]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127719445</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127719445</guid><author>Donaldfrist</author><pubDate>Sun, 06 Nov 2022 19:16:03 +0800</pubDate><description><![CDATA[请你计算学生的平均分，其中 AA 的成绩的权重为 22，BB 的成绩的权重为 33，CC 的成绩的权值为 55。读取三个浮点数 A，BA，B 和 CC 的值，对应于三个学生的成绩。成绩的取值范围在 00 到 1010 之间，且均保留一位小数。]]></description><category></category></item><item><title><![CDATA[排序（3）-选择排序]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127618606</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127618606</guid><author>Donaldfrist</author><pubDate>Mon, 31 Oct 2022 16:39:46 +0800</pubDate><description><![CDATA[上机调试一下就明白了。]]></description><category></category></item><item><title><![CDATA[排序（2）-归并排序]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127602906</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127602906</guid><author>Donaldfrist</author><pubDate>Sun, 30 Oct 2022 18:33:28 +0800</pubDate><description><![CDATA[【代码】排序（2）-归并排序。]]></description><category></category></item><item><title><![CDATA[交换两个数，不引入第三个变量。c语言]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127588283</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127588283</guid><author>Donaldfrist</author><pubDate>Sat, 29 Oct 2022 15:58:41 +0800</pubDate><description><![CDATA[【代码】交换两个数，不引入第三个变量。c语言。]]></description><category></category></item><item><title><![CDATA[井字棋小游戏，c语言]]></title><link>https://blog.youkuaiyun.com/Donaldfrist/article/details/127579336</link><guid>https://blog.youkuaiyun.com/Donaldfrist/article/details/127579336</guid><author>Donaldfrist</author><pubDate>Fri, 28 Oct 2022 21:29:05 +0800</pubDate><description><![CDATA[【代码】井字棋小游戏，c语言。]]></description><category></category></item></channel></rss>