https://blog.youkuaiyun.com/ipigggzh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/ipiggg/article/details/1092695https://blog.youkuaiyun.com/ipiggg/article/details/1092695ipigggFri, 18 Aug 2006 12:51:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/1065526https://blog.youkuaiyun.com/ipiggg/article/details/1065526ipigggTue, 15 Aug 2006 09:52:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/965948https://blog.youkuaiyun.com/ipiggg/article/details/965948ipigggSun, 23 Jul 2006 23:40:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/935122https://blog.youkuaiyun.com/ipiggg/article/details/935122ipigggTue, 18 Jul 2006 10:13:00 +0800next ){    if ( rand() % ++nmatch == 0 ){        wanted = p;    }} wanted 即为所求item命题： 链表中的每个元素的选择概率为1/n，其中n=链表长度以n为归纳条]]>https://blog.youkuaiyun.com/ipiggg/article/details/816488https://blog.youkuaiyun.com/ipiggg/article/details/816488ipigggTue, 20 Jun 2006 17:30:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/802934https://blog.youkuaiyun.com/ipiggg/article/details/802934ipigggFri, 16 Jun 2006 10:13:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/729440https://blog.youkuaiyun.com/ipiggg/article/details/729440ipigggMon, 15 May 2006 13:44:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/705565https://blog.youkuaiyun.com/ipiggg/article/details/705565ipigggTue, 02 May 2006 16:07:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/677312https://blog.youkuaiyun.com/ipiggg/article/details/677312ipigggTue, 25 Apr 2006 20:38:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/674079https://blog.youkuaiyun.com/ipiggg/article/details/674079ipigggSun, 23 Apr 2006 17:14:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/672946https://blog.youkuaiyun.com/ipiggg/article/details/672946ipigggSat, 22 Apr 2006 13:01:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/667918https://blog.youkuaiyun.com/ipiggg/article/details/667918ipigggTue, 18 Apr 2006 14:55:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/667397https://blog.youkuaiyun.com/ipiggg/article/details/667397ipigggTue, 18 Apr 2006 10:04:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/667023https://blog.youkuaiyun.com/ipiggg/article/details/667023ipigggMon, 17 Apr 2006 22:38:00 +0800https://blog.youkuaiyun.com/ipiggg/article/details/667006https://blog.youkuaiyun.com/ipiggg/article/details/667006ipigggMon, 17 Apr 2006 22:24:00 +0800