Break down these walls and come on in. 一路披荆斩棘,勇往直前. We are the only wall that stands in our way to success. We are the only enemy that can beat us thoroughly. So, if we want to break down the walls in the way, we must try our best to overcome our own…

A heavy drew refreshed the earth at night. 夜晚厚重的露水滋养着大地. From Leo Tolstoy. Today is the White Drew Day in the traditional Chinese Calendar. And there is an old proverb saying that drews turns white first before the weather becomes cold, it means the…

It's what you do next that counts, not what happens but what you decide to do about it. 重点不是发生了什么,而是接下来应该如何应对. It's not what happens to us counts, it is how we respond to it that counts. Maybe that can explain why so many people consider attitudes ar…

First I need your hand, then forever can begin. 我需要牵着你的手,才能告诉你什么是永远. If you want to shake hands with someone, it would be better if you reach out your hand first. Try to strive for some trival achievements every day. With time flies, those trival acc…

Preface 这确实应该是我打过的比较水的CC了(其实就打过两场) 但由于我太弱了打的都是Div2,所以会认为上一场更简单,其实上一场Div的数据结构是真的毒 好了废话不多说快速地讲一下 A Easy Fibonacci 手玩一下那个删数的过程就是求一个最大的\(2^k\le n\),然后剩下的斐波那契数列某一位膜\(10\)可找循环节可矩乘 #include<cstdio> #include<cstring> #define RI register int #define CI…

传送门 \(CHEFK1\) 首先连出一个环和所有的自环,剩下的每次按\(n\)个一连就可以了 //quming #include<bits/stdc++.h> #define R register #define fp(i,a,b) for(R int i=(a),I=(b)+1;i<I;++i) #define fd(i,a,b) for(R int i=(a),I=(b)-1;i>I;--i) #define go(u) for(int i=head[u],v=e[i].v;…

Hi all, According to 2019 public holiday announcement released by Chinese government, this is to announce the Q2 China Public Holiday arrangement as follows: Pure Brightness Festival: ·        April 05, 2019 International Labor Day: ·        May 01,…

<   Getting Started Docs Reference History Contribute Github Introduction The Carbon class is inherited from the PHP DateTime class. <?php namespace Carbon; class Carbon extends \DateTime { // code here } You can see from the code snippet above that…

Introduction Carbon 继承了PHP的 Datetime 类和JsonSerialiable.所以 Carbon 中没有涉及到的,但在 Datetime 和JsonSerializable中已经实现的方法都是可以使用的. class Carbon extends DateTime implements JsonSerializable { //code here } Carbon 类声明在 Carbon 命名空间下,可以通过引入命名空间的方式来代替每次输入完整的类名. <?php…

J-Link GDB Server - SEGGER Hilden, Germany – September 15th, 2011 – SEGGER Microcontroller today announced the freeavailability of the J-Link GDB-Server. As the GNU-tool-chain gains ground in terms of performance and usability, GDB continues to grow…