kinds of hats

The writeup of several "three white hats" Competitions Since the advent of the three white hats, I have received a few small competitions based on "Three white hats" and I have also made several questions. Writeup is not all a common problem. Here I will summarize the ideas for solving several questions. The source code and environment of these questions are in t

I learned the famous six HATs thinking method today and thought it was very practical. The following is a summary: 1. An effective way to get information (white hat) Proper emotion, intuition, and hunch in Decision Making (Red Hat) How to Use logical Positive exploration methods (yellow hat) in evaluation) Exercise caution when using appropriate and limited methods of reverse logic exploration in the evaluation (Black Hat) Creative and true meani

When we adopt traditional thinking, we always consider as many factors as possible at the same time. We always examine information, form opinions, and judge others' opinions at the same time.Parallel thinking is a way to manage our thinking. It breaks down our thinking from different aspects and perspectives and considers them separately, rather than considering many factors at the same time. White hat : White is neutral and objective. White hat thinking represents objective facts and numbe

Three white hats-looking for you from the stars-Phase I, three white hats-looking for you from the stars-Phase I challenge introduction I lost you from the stars. I may need to use everything I have to use to retrieve you. After two sentences are compiled, I can't make it. okay, I admit that this is the first issue of penetration.Challenges Http://0761e975dda0c67cb.jie.sangebaimao.com/0x01 information colle

The three white hats are from the stars. you (1) writeup officially made three white hats for the first time. it is not easy to do it. you have also stepped on many pitfalls... 0x00 challenges I lost you from the stars. I may need to use everything I have to use to retrieve you. After two sentences are compiled, I can't make it. okay, I admit that this is the first issue of penetration. Tips 1: SSRF T

difficult to get started, but once we get used to it, our countless meetings can greatly shorten the agenda, save time for numerous debates, and relieve numerous interpersonal tensions, at the same time, the improvement in efficiency can also lead to the easing of interpersonal relationships, greatly reducing people's psychological pressure (interpersonal tension is one of the main sources of pressure in the modern workplace ). The revolution in thinking is a prerequisite for the rapid developm

+ (R-L)/2$ or $ (l+r)/2$ (note: This notation has the risk of overflow).My train of thought was roughly right, but at the end of the output divider, I chose a straight line perpendicular to the $x $ axis, making it with $x $ (l + 1, 0) $, $l $ is the horizontal axis of the rightmost white point.But I didn't think of a situation where the distance between the two black and white dots adjacent to the middle is probably $1$ (this is due to $2^{30} > 10^9+1$. In fact, if the $x = 10^9 + 1$, will be

HDU-1247-Hats Words Http://acm.hdu.edu.cn/showproblem.php? Pid = 1, 1247 In the dictionary tree, you can divide each word into two words to see if both words are in the dictionary tree. Note that there is a slight difference between the creation time and the previous time. When inserting a word, you only need to record the node at the end of the word and do not need to record all the prefixes of a word. # Include

Red Hat is easy to use, ...... Many Commands are made by their own units ...... Standard Linux does not have their commands, and some commands on its own system cannot be used together. Many ProgramIt is also chilling to make the call .... I used an hour ...... Sin, sin ..... Do not use commands such as service crond stop together with self-starting commands. do not recognize standard Linux commands or red hats. Fortunately, I have experience in ope

Three white hats-looking for you from the stars-the first phase Challenge Introduction From the stars you are lost by me, I may need to use all my everything to get you back, made up two sentences can not be made up, OK, I admit this is a problem of infiltration, is so direct. Challenge goals http://0761e975dda0c67cb.jie.sangebaimao.com/ 0X01 Information Collection Open address, is a DZ theory altar. It doesn't seem like much fun, it's the lates

This week's technical book "white hats talk about web Security". This book reminds me of Wu Hanqing, a young technical master. One of the owners of quickshield. I think the attack defense is amazing and I want to know more about it. So I chose this Redbook. Now, let's move on to the subject. Today I saw Part 1-world security concept. It is a relatively simple concept to explain security awareness. Summary: 1. The essence of security issues is trust is

Test instructionsThe interaction problem should have been carried out on the plane.In fact, a straight line can be, in fact, to be more complex on the plane.SolutionAssuming that the \ (l\) dot is a black point, \ (r\) is the white dot, then place the next point at \ (l + r/2\) , then recursively.Code#include CF1064 e-dwarves, Hats and extrasensory abilities

Three white hats-Roman series 2-writeup 0x00 Why does a good Web become misc? Friendship Boat !!!! http://4e79618700b44607c.jie.sangebaimao.com0x01 fetch source token There is no Tips generation problem, the source region must be the first. Right-click to view the source region. there is no such thing. check the header. Set-Cookie source=WXpOV2FXTXpVbmxMUnpGclRsTm5hMWd3WkVaV1JuTnVZekk1TVdOdFRteEtNVEJ3VEVSTmMwNXBhemxRVTBrMFRWZEZNRTFxWTJr The answer

Topic linksFor a discussion of an element's classification, it is possible to know the total number of colors of n elements.For example, the a[1] category discussion:If the color of 1 is the same as an element, the total number of colors is a[1]. A[i] is either equal to a[1] (i is the same color as an element, with a count of a), or equal to a[1]+1 (i is the only color, the number is B).To satisfy: B is not equal to n-1 (must have an I and 1 colors the same); maximum number of colors = (a+1)/2+b

Clothing shoes and hats has always been a battleground, in addition to the product itself is the core competitiveness of the publicity, in the user has not yet contacted the entity, through the site is often to give new users a good impression of the beginning. Promotional Products website, full of beautiful pictures and cool web effects are now essential, to see the following a set of fashion type shoes and hats