<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[ccmmfit]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/ccmmfit</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; ccmmfit]]></copyright><item><title><![CDATA[求两个有序数组合并后的中位数]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/118058380</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/118058380</guid><author>ccmmfit</author><pubDate>Sat, 19 Jun 2021 21:36:26 +0800</pubDate><description><![CDATA[leet code 4 Median of Two Sorted Arrays

题意：给定两个有序数组nums1和nums2，大小分别为m和n，返回两个已排序数组的中位数，时间复杂度为O(log (m+n))。


分析：中位数的求法：若数组长度为奇数，则为中间数；若数组长度为偶数，则为中间两数和/2。
对于两个有序数组，如果使用归并排序合成一个数组，时间复杂度为O(m+n)，不可行。
此时需要利用中位数的位置：
从0开始的中位数下标mid0 = (m+n) /2 。
（m+n奇数时是中位数下标，偶数时是]]></description><category></category></item><item><title><![CDATA[sublime环境配置]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/89639345</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/89639345</guid><author>ccmmfit</author><pubDate>Sun, 28 Apr 2019 15:37:36 +0800</pubDate><description><![CDATA[1. 选择Tools -&gt; Build System -&gt; New Build System
2. Config   need to alter where "Path"
C++ Compile Config：
①
{
     "path": "Path",  
     "cmd": "g++ $file -o $file_base_name.exe",
     "file_re...]]></description><category></category></item><item><title><![CDATA[Linux常用指令]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/87858175</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/87858175</guid><author>ccmmfit</author><pubDate>Thu, 21 Feb 2019 11:44:14 +0800</pubDate><description><![CDATA[Linux常用指令

查找cc所在目录


which cc


列出文件


ls


查找文件名为cc的所在目录


find -name cc


查看gpu信息


lspci | grep -i vga


lspci | grep -i nvidia


]]></description><category></category></item><item><title><![CDATA[LSTM常见问题记录]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/87562240</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/87562240</guid><author>ccmmfit</author><pubDate>Sun, 17 Feb 2019 22:20:44 +0800</pubDate><description><![CDATA[LSTM常见问题记录

长序列问题


①截断序列
②归纳序列
③随机取样
④时间截断的反向传播
⑤使用编码器-解码器架构
参考文章链接


]]></description><category></category></item><item><title><![CDATA[MySQL常用语句备忘录]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/87554555</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/87554555</guid><author>ccmmfit</author><pubDate>Sun, 17 Feb 2019 20:22:05 +0800</pubDate><description><![CDATA[MySQL常用语句

取奇数行`


select * from temp,(select @num:=0) num where (@num:=@num+1)%2=1


时间-2 hour


select date_add(‘2019-01-24 14:42:52’,interval -2 hour)


取表里的随机一条记录


select * from temp order by ran...]]></description><category></category></item><item><title><![CDATA[ZSTUOJ 4273: 玩具（尺取+STL set） 然后回顾了下RMQ和线段树]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/70039482</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/70039482</guid><author>ccmmfit</author><pubDate>Mon, 10 Apr 2017 23:09:32 +0800</pubDate><description><![CDATA[玩具 连续区间  尺取法  set维护 rmq 线段树]]></description><category></category></item><item><title><![CDATA[网易的一道笔试题]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/66479049</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/66479049</guid><author>ccmmfit</author><pubDate>Sun, 26 Mar 2017 20:47:14 +0800</pubDate><description><![CDATA[网易 笔试 停电断网]]></description><category></category></item><item><title><![CDATA[C++的map与multimap的使用]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/54631092</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/54631092</guid><author>ccmmfit</author><pubDate>Fri, 20 Jan 2017 14:25:42 +0800</pubDate><description><![CDATA[map 键-值对的集合，可理解为关联数组。#include<iostream>
#include<map>
using namespace std;int main(){
    map<string, int> word_cnt;
    string word;
    /*利用数组下标插入
    while(cin >> word){
        ++word_cnt[word];]]></description><category></category></item><item><title><![CDATA[C++指针和const 限定符]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/52869822</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/52869822</guid><author>ccmmfit</author><pubDate>Thu, 20 Oct 2016 10:37:35 +0800</pubDate><description><![CDATA[1. 指向const对象的指针

2.  const指针

3. 指向 const 对象的 const 指针

4. 指针和typedef]]></description><category></category></item><item><title><![CDATA[素数对猜想]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/52859800</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/52859800</guid><author>ccmmfit</author><pubDate>Wed, 19 Oct 2016 15:23:53 +0800</pubDate><description><![CDATA[自测-2 素数对猜想(20分)   让我们定义dnd_nd​n​​为：dn=pn+1−pnd_n = p_{n+1}-p_nd​n​​=p​n+1​​−p​n​​，其中pip_ip​i​​是第iii个素数。显然有d1=1d_1 = 1d​1​​=1，且对于n>1n>1n>1有dnd_nd​n​​是偶数。“素数对猜想”认为“存在无穷多对相邻且差为2的素数”。现给定任意正整数N(<105<10^5<10]]></description><category></category></item><item><title><![CDATA[打印沙漏]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/52859031</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/52859031</guid><author>ccmmfit</author><pubDate>Wed, 19 Oct 2016 14:18:39 +0800</pubDate><description><![CDATA[自测-1 打印沙漏   (20分)本题要求你写个程序把给定的符号打印成沙漏的形状。例如给定17个“*”，要求按下列格式打印*所谓“沙漏形状”，是指每行输出奇数个符号；各行符号中心对齐；相邻两行符号数差2；符号数先从大到小顺序递减到1，再从小到大顺序递增；首尾符号数相等。给定任意N个符号，不一定能正好组成一个沙漏。要求打印出的沙漏能用掉尽可能多的符号。 
输入格式:输入在一行给出1个正整数N（≤\le]]></description><category></category></item><item><title><![CDATA[HDU 2177 取(2堆)石子游戏]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/49402197</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/49402197</guid><author>ccmmfit</author><pubDate>Sun, 25 Oct 2015 11:18:11 +0800</pubDate><description><![CDATA[威左夫博弈]]></description><category></category></item><item><title><![CDATA[UVa 227 Puzzle]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/47345449</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/47345449</guid><author>ccmmfit</author><pubDate>Fri, 07 Aug 2015 21:38:37 +0800</pubDate><description><![CDATA[模拟]]></description><category></category></item><item><title><![CDATA[CF 469A I Wanna Be the Guy]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/47279453</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/47279453</guid><author>ccmmfit</author><pubDate>Tue, 04 Aug 2015 17:03:48 +0800</pubDate><description><![CDATA[cf]]></description><category></category></item><item><title><![CDATA[CF 340A The Wall]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/46831123</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/46831123</guid><author>ccmmfit</author><pubDate>Fri, 10 Jul 2015 15:11:42 +0800</pubDate><description><![CDATA[整除]]></description><category></category></item><item><title><![CDATA[cf 454A Little Pony and Crystal Mine]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/46806191</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/46806191</guid><author>ccmmfit</author><pubDate>Wed, 08 Jul 2015 17:26:18 +0800</pubDate><description><![CDATA[水题，直接找规律。。]]></description><category></category></item><item><title><![CDATA[Codeforces  486A  Calculating  Function（math）]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/46787287</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/46787287</guid><author>ccmmfit</author><pubDate>Tue, 07 Jul 2015 11:33:20 +0800</pubDate><description><![CDATA[差值]]></description><category></category></item><item><title><![CDATA[Codeforces  318A  Even Odds]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/46786791</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/46786791</guid><author>ccmmfit</author><pubDate>Tue, 07 Jul 2015 11:12:33 +0800</pubDate><description><![CDATA[math]]></description><category></category></item><item><title><![CDATA[C++中两个数值交换的几种方法]]></title><link>https://blog.youkuaiyun.com/ccmmfit/article/details/45440537</link><guid>https://blog.youkuaiyun.com/ccmmfit/article/details/45440537</guid><author>ccmmfit</author><pubDate>Sat, 02 May 2015 16:22:19 +0800</pubDate><description><![CDATA[C++中两个数值交换的几种方法]]></description><category></category></item></channel></rss>