09 2017 档案
摘要：首先是x，y，z轴的加速度统计，利用四个数组记录，并长度为偶数时生成图表 上面的全代码
阅读全文
摘要：http://www.yinghualuowu.com/php/echart.html 创建table sex 有name num 这样，我们就创建了一个json文件
阅读全文
摘要：http://www.yinghualuowu.com/php/recent_contest.php
阅读全文
摘要：题意：看后面也应该知道是什么意思了 解法： 我们设置l,r，符合条件就是l=起始点,r=当前点，不符合l=i+1 学习了一下FASTIO
阅读全文
摘要：题意：求n个斐波那契数列组合都无法得到的最小数字 解法： 1 我们先暴力的求出前面几个数字 2 然后再暴力的求递推 3 接着矩阵快速幂(没写错吧？)
阅读全文
摘要：Problem Description One day, Kaitou Kiddo had stolen a priceless diamond ring. But detective Conan blocked Kiddo's path to escape from the museum. But
阅读全文
摘要：Problem Description Connecting the display screen and signal sources which produce different color signals by cables, then the display screen can show
阅读全文
摘要：option 图表选项，包含图表实例任何可配置选项： 公共选项 ， 组件选项 ， 数据选项
阅读全文
摘要：title http://echarts.baidu.com/echarts2/doc/doc.html#Title 标题，每个图表最多仅有一个标题控件，每个标题控件可设主副标题。
阅读全文
摘要：经过测试发现，有没有中括号对结果没有影响 调整x与yAxis可以调换 修改 pie就变了
阅读全文
摘要：这里用的是MySQL+PHP基友组合 首先，我们需要创建一个数据库，并且创建user（id,name,pw）方便起见，我们将id设置为主键（默认）+自动增长 这里使用mysqli_connect，注意和mysql区别一下，确定连接成功之后，我们判断输入密码是否一致 判断用户名是否存在，mysqli_
阅读全文
摘要：It's that time of the year, Felicity is around the corner and you can see people celebrating all around the Himalayan region. The Himalayan region has
阅读全文
摘要：Bash has set out on a journey to become the greatest Pokemon master. To get his first Pokemon, he went to Professor Zulu's Lab. Since Bash is Professo
阅读全文
摘要：Bash wants to become a Pokemon master one day. Although he liked a lot of Pokemon, he has always been fascinated by Bulbasaur the most. Soon, things s
阅读全文
摘要：Country of Metropolia is holding Olympiad of Metrpolises soon. It mean that all jury members of the olympiad should meet together in Metropolis (the c
阅读全文
摘要：Helen works in Metropolis airport. She is responsible for creating a departure schedule. There are n flights that must depart today, the i-th of them
阅读全文
摘要：Maxim wants to buy an apartment in a new house at Line Avenue of Metropolis. The house has n apartments that are numbered from 1 to nand are arranged
阅读全文
摘要：Petya is a big fan of mathematics, especially its part related to fractions. Recently he learned that a fraction is called proper iff its numerator is
阅读全文
摘要：http://acm.hdu.edu.cn/showproblem.php?pid=1296 随手练习
阅读全文
摘要：http://acm.hdu.edu.cn/showproblem.php?pid=1854 随手练习
阅读全文
摘要：http://acm.hdu.edu.cn/showproblem.php?pid=2523 随手练习
阅读全文
摘要：http://acm.hdu.edu.cn/showproblem.php?pid=1409 没啥好说的，至今也不知道到底错在哪里了，看了discuss才过的
阅读全文
摘要：大概就是上面这个样子 我们准备 两个半圆，两个大圆，两个小圆，然后稍微的进行覆盖就行~
阅读全文
摘要：Arpa has found a list containing n numbers. He calls a list bad if and only if it is not empty and gcd (see notes section for more information) of num
阅读全文
摘要：You are given set of n points in 5-dimensional space. The points are labeled from 1 to n. No two points coincide. We will call point a bad if there ar
阅读全文
摘要：Arpa is taking a geometry exam. Here is the last problem of the exam. You are given three points a, b, c. Find a point and an angle such that if we ro
阅读全文
摘要：Arpa is researching the Mexican wave. There are n spectators in the stadium, labeled from 1 to n. They start the Mexican wave at time 0. At time 1, th
阅读全文
摘要：A B Problem Statement You are given an integer sequence of length N, a1,a2,…,aN. For each 1≤i≤N, you have three choices: add 1 to ai, subtract 1 from
阅读全文
摘要：From beginning till end, this message has been waiting to be conveyed. For a given unordered multiset of n lowercase English letters ("multi" means th
阅读全文
摘要：Connect the countless points with lines, till we reach the faraway yonder. There are n points on a coordinate plane, the i-th of which being (i, yi).
阅读全文
摘要：Where do odds begin, and where do they end? Where does hope emerge, and will they ever break? Given an integer sequence a1, a2, ..., an of length n. D
阅读全文
