Pattern 3 题目连接: https://www.hackerrank.com/contests/ieeextreme-challenges/challenges/car-spark Description Vangelis the bear received a digital signal pattern generator that his brother Mitsos built. The generator produces a signal that is encoded us…

Xtreme9.0 - Communities 题目连接: https://www.hackerrank.com/contests/ieeextreme-challenges/challenges/communities Description Social media networks and the amount of information they aggregate is astonishing. With so much information, new patterns and i…

Xtreme9.0 - Light Gremlins 题目连接: https://www.hackerrank.com/contests/ieeextreme-challenges/challenges/light-gremlins Description There are a group of gremlins that live in a long hallway in which there are a series of light switches. At the beginning…

Xtreme9.0 - Digit Fun! 题目连接: https://www.hackerrank.com/contests/ieeextreme-challenges/challenges/digit-fun Description An editorial, providing an approach to solve this problem, is presented at the bottom of this page. Recurrence relations are an im…

NoReverseMatch at /salesman/zhuce/ Reverse for '/zhuce/' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: [] 对于上面的错误,有可能是django模板的错误,下面我粘贴出来错误的配置代码 一. 错误代码,错误部门用红色字体标出错误配置 <div id ="user"> <form action="…

Reverse for 'home' with arguments '()' and keyword arguments '{}' not found. 0 pattern(s) tried: [] 此问题出现的原因是我的文件中出现了{{% url 'home' %}}这样的语句,url配置错误了,因为我并没有在相应的url配置语句里面指定name值. 解决方法只需要在相应的url配置后面加上name='home'就可以了 注:这种错误一般都是模板里面{% url '' %} 与urls.py中…

0,1背包问题:我写笔记风格就是想到哪里写哪里,有很多是旧的也没删除,代码内部可能有很多重复的东西,但是保证能运行出最后效果 '''学点高大上的遗传算法''' '''首先是Np问题的定义: npc:多项式复杂程度的非确定性问题, 首先是基本的0-1背包问题. ''' '''给定N个物品和一个背包,物品i的质量是Wi,其价值位Vi,背包的容量为C,问应该 如何选择装入背包的物品,使得转入背包的物品的总价值为最大? 在选择物品的时候,对每种物品i只有两种选择,即装入背包或不装入背包.不能将 物品i装…

/** * 看了 b站视频 BV1jb411V78H 对KMP有了一点理解,然后我写了这个代码 * 这个代码和视频里面的有一点不同,字符串是从 0 开始的,而不是从1 开始的 * 希望能够帮到学习KMP的人 */ #include <stdbool.h> #include <malloc.h> #include "KMP.h" // KMP.h 内容 /* #define MAXSIZE (255) typedef struct { char ch[MAXSIZ…

Block Art 题目连接: https://www.hackerrank.com/contests/ieeextreme-challenges/challenges/block-art Description The NeoCubist artistic movement has a very distinctive approach to art. It starts with a rectangle which is divided into a number of squares. T…

Taco Stand 题目连接: https://www.hackerrank.com/contests/ieeextreme-challenges/challenges/taco-stand Description An editorial for this problem is available at the bottom of this page. Joe has been hired to make tacos at a series of baseball games. He wan…