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News Of The Week: The Trial Version Of "Final Fantasy 7 Remake" Is Now Available And Can Be Downloaded For Free

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It feels good to eat melon for a while, and it will always feel good to eat melon all the time! This is "Weekly Travel and Eat" hosted by Shen Shen Niang. A new week is here again, and Shen Shen Niang will take you to recall what melons in the gaming circle are worth eating in the past week!

1. The inventor of Konami’s secret technique “Up, Up, Down, Left, Right, and Left BA” passed away.

On February 26, veteran Konami employee Masahiro Inoue posted an obituary on social platforms today. He said that Hashimoto Kazuhisa, the inventor of "Up, Up, Down, Left, and Right BA" (Konami's secret technique), passed away in 2020. Passed away at 21:00 on February 25.

In the 1980s, Konami took advantage of the momentum of the arcade to port "Space Cruiser" to the NES. This task fell on Hashimoto Kazuhisa. However, during debugging, he found that he could not pass the level with his own skills, so he implanted a short password into the program. He only needed to input "up, up, down, left, right, left, left, and right BA" with the handle to unlock all weapons and equipment. But in the end he forgot to remove the secret technique from the game when he completed the test, and a combination of circumstances led to an achievement that will be passed down to future generations.

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Tucao from Deep Girl:

Most Chinese players know this secret skill from "Contra". This secret skill can increase the character's number of lives from 3 to 30. It's a pity that there are not 30 lives in life. I wish this old man all the best in heaven.

2. GOG will support refunds within 30 days of purchase, regardless of whether it has been downloaded, launched or played

On February 29, CD updated the spontaneous refund policy of the GOG platform: after players purchase a product on the GOG platform, they can apply for a refund for the product within 30 days, even if it has been downloaded, launched and played. The regulations also apply to pre-ordered games, games in development, game bundles and DLC. Refund gifts will provide cash or GOG wallet refunds to users who purchased the gifts.

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Tucao from Deep Girl:

The Poles are completely crazy.jpg

3. The mobile game “Plants vs. Zombies 3” is now available in the Philippines, turning into a cash-generating card-drawing game.

The company that created the classic side-scrolling tower defense game "Plants vs. Zombies" series has a new move. On February 28, they launched the new series "Plants vs. Zombies 3" in the Philippines for iOS and Android versions. This game uses 3D graphics and the original tower defense gameplay of the series.

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Although it retains the linear tower defense mechanism of the first two games, "Plants vs. Zombies 3" still makes some changes. For example, there is no need to manually place "sun flowers" in this game, instead energy points are automatically restored according to time. In addition, as a free-to-play mobile game with paid props, this game has a card drawing mechanism. Players can draw new plants and seeds, and the seeds can be used to upgrade corresponding plants.

Tucao from Deep Girl:

"Plants vs. Zombies" is really one of those rare games that can keep deteriorating for ten years.

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4. "FIFA" professional players complain: EA lets us decide the outcome by guessing the game

On March 1, Shaun Galea broke the news on Twitter: In a "FIFA" game held by EA, because they could not find a way to invite their opponents to join the EA qualifying competition before the game started, they had to use guessing games. Method decided the game and unfortunately, Shaun Galea lost. In a tweet that he has since deleted, he said that all the efforts in the first stage were in vain because of the subsequent server downtime – the second stage of the game was lost due to guessing, and was beaten from 2-0 to 2-3. .

Tucao from Deep Girl:

Any ridiculous news seems to become much more reasonable once "EA" appears.

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5. The trial version of "Final Fantasy 7 Remake" is now available and players can download it for free.

On March 2, the PSN Hong Kong server store has now launched the trial version of "Final Fantasy 7 Remake". In this trial version, you can play the "No. 1 Magic Reactor Detonation Operation" at the beginning of the game. Game progress cannot be carried over to the official version.​​​​

Tucao from Deep Girl:

The shorter the news, the bigger the story.

The above is the entire content of this issue of "Weekly Travel and Eat". If you, the players, have anything else to complain about, please feel free to interact with us in the comment area.

The Secret To Beauty: The Perfect Combination Of Makeup And Skin Care

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In modern society, people pay more and more attention to appearance and image. Makeup and skin care are two important factors in maintaining a beautiful image. Makeup can make us more confident and attractive, while skin care can keep our skin healthy and beautiful. In this article, we’ll discuss the importance of makeup and skin care, and how to combine them for optimal results.

make up

1. The importance of makeup

Makeup is an art that allows us to change our appearance, modify imperfections, and face the world with more confidence. It can bring us endless changes, from simple light makeup to strong night makeup, and even try a variety of different styles and trends.

However, makeup is not about completely changing a person's appearance, but rather about highlighting personal features and emphasizing personal beauty. At the same time, makeup can also help improve our self-confidence and emotional state, making us more optimistic and confident.

Skin care

2. The importance of skin care

Skin care is the key to maintaining skin health and beauty. It can prevent dry skin, oily skin, wrinkles and other skin problems. Good skin care habits can help us maintain the moisture and elasticity of our skin, while preventing damage to our skin from harmful substances such as pollution and ultraviolet rays in the external environment.

In the skin care process, the most important thing is to understand your skin type and use skin care products that are suitable for your skin type. If your skin is prone to oiliness, choosing skin care products with oil-free formulas may be your best option. If your skin is prone to dryness, you should choose skin care products that are hydrating and moisturizing. No matter what your skin type is, maintaining a routine and frequency of skin care is crucial.

Makeup and Skin Care

3. How to combine makeup and skin care

Now, let’s explore how to combine makeup and skin care for the best results.

1. Preparation

Before starting to put on makeup, you must make sure your skin is clean and clean, and prepare the skin care products your skin needs. Therefore, you should first use a cleanser to cleanse your skin, then use a toner to balance the pH of your skin, and finally apply a moisturizing lotion or cream to ensure your skin is adequately hydrated.

2. Use cosmetics that help skin care

Cosmetics not only make us more beautiful, they also help protect our skin. For example, BB cream or foundation containing sunscreen ingredients can prevent UV rays from harming the skin, and lip gloss or blush containing antioxidant ingredients can combat environmental pollution and free radical damage to the skin.

In addition, you can use makeup brushes that are helpful for skin care, such as beauty eggs, powder puffs, etc., to ensure that the makeup is evenly covered on the skin and reduce friction on the skin.

Skin care cosmetics

3. Make sure to remove makeup thoroughly

Makeup removal is an essential step in skin care. Ingredients in cosmetics may clog pores or cause damage to the skin, which can occur if makeup is not removed thoroughly. Therefore, we should use makeup remover products suitable for our skin type and gently remove all makeup.

4. Regular deep cleaning

Even though we cleanse our skin every day, we still need regular deep cleansing to remove dirt deep inside our skin and in our pores. This can be achieved by exfoliating regularly, using deep cleansing masks, using steam baths, etc. These deep cleansing steps help your skin absorb nutrients better and stay healthy.

5. Adhere to a healthy lifestyle

The most important thing is to adhere to a healthy lifestyle, including eating healthy, getting enough sleep, quitting smoking and drinking, and staying healthy. These lifestyle habits can help our skin and body stay healthy.

Beauty and skin care

in conclusion

Makeup and skin care are two important factors in maintaining a beautiful image. They can complement each other to make our skin more beautiful and healthy. When using cosmetics, we should choose products that suit our skin type and complexion, and use the correct methods and tools. At the same time, we also need to pay attention to the basic steps of skin care such as thorough makeup removal, regular deep cleansing and adhering to a healthy lifestyle.

In addition, there are some other skin care tips that can help us maintain the health and beauty of our skin. For example, you can use eye cream to maintain the elasticity and moisture of the skin around the eyes. You can use lip scrub to remove dead skin on your lips before using lipstick. You can use massage tools or massage techniques to promote blood circulation and lymphatic detoxification, reduce skin swelling, etc.

Beauty and skin care

When choosing skin care products, we should also pay attention to the safety of some chemical ingredients and avoid using products containing ingredients that are harmful to the skin, such as parabens, amino acids, heavy metals, etc.

In short, skin care and makeup require us to spend time and energy, but only in this way can we make our skin healthier and more beautiful. I hope the above skin care tips and precautions can be helpful to everyone.

When You’re Bored, Try These 20 Classic Stand-alone Games. You’ll Never Get Tired Of Playing Each One (Part 1)

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As an original self-media author who loves stand-alone games, I hope to share in this article 20 classic stand-alone games that I think you will never get tired of playing.

These games span different genres and styles, capturing the love and memories of single-player gamers for years to come. From classic role-playing games to real-time strategy games and shooters, these games all have their own unique charm. I'll go through each of these games one by one and share some of my views and opinions.

1. Diablo 2 and its remake

"Diablo 2" is known as one of the classic role-playing games. Its deep character customization, rich equipment system, and world full of demons and monsters have made it a memory for a generation of players. Not only that, the remake of Diablo 2 has also aroused huge interest among players, bringing the charm of this classic to a new generation of players.

2. Counter-Strike 1.5 (CS 1.5)

As a representative of shooting games, "Counter-Strike 1.5" once caused a huge craze during the rise of the Internet.

Its tense battles, strategic gameplay and popular online battles have made it a childhood memory for many people. This game is not only a classic, but also an important milestone in the evolution of shooting games.

3. Heroes of Might and Magic 3

Heroes of Might and Magic 3 is a turn-based strategy game known for its depth of strategy and variety. Players need to build armies, recruit heroes, and conquer territories in the game. This series of challenges makes it the first choice for many strategy game enthusiasts.

4. StarCraft 1

"StarCraft 1" is one of the representatives of real-time strategy games and is widely popular for its unique races, strategies and multiplayer battles. The multiplayer battle scene of this game once became a hot spot in e-sports and proved the huge appeal of real-time strategy games.

5. Red Alert 2

Red Alert 2 is another beloved real-time strategy game. Especially its MOD version provides players with more freedom, allowing them to create their own battle scenes and storylines. The game's influence continues to this day, and it still has a large and loyal community of players.

6. Heroes of the Three Kingdoms 2 and Heroes of the Three Kingdoms 7

The theme of the Three Kingdoms has always been loved, and "Heroes of the Three Kingdoms 2" and "Heroes of the Three Kingdoms 7" are the leaders among them. These two games allow players to command various generals and compete on the battlefield. Its depth of strategy and rich historical elements make it a classic.

7. Jin Yong’s Legend of Heroes, Legend of Martial Arts Heroes and Legend of Knights

Martial arts-themed games have always been popular, and these three games all provide a martial arts world with a high degree of freedom.

Players can freely explore, recruit teammates, learn martial arts, and create their own martial arts legend. This freedom and openness is what makes these games unique.

8. The Elder Scrolls 4 and The Elder Scrolls 5

The Elder Scrolls series is known for its highly free-form open world and huge storyline. "The Elder Scrolls 4" and "The Elder Scrolls 5" are based on this, introducing more freedom and MOD support. These two games allow players to shape their own adventure stories and experience truly open-ended gameplay.

9. Fallout 4

"Fallout 4" is a post-apocalyptic survival-themed game full of nuclear radiation, monsters and wasteland. Players need to survive in this dangerous world while building settlements and processing resources. This depth of survival elements and open world make it a popular game.

10. GTA San Andreas and GTA 5

"GTA San Andreas" and "GTA 5" are open world games famous for their freedom and huge maps.

Players can freely explore the city, participate in various activities, and follow the main storyline in the game. The nearly endless possibilities and activities in both games make them the pinnacle of single-player gaming.

These 20 classic stand-alone games represent different types and styles, attracting the love and memories of stand-alone game players for many years. Whether you love role-playing, strategy, shooters, or open-world games, these classics are worth checking out. They are not only part of gaming history, but also part of our personal gaming experiences, filled with memories and emotions.

I personally have some thoughts and opinions on these games. First of all, these games became classics because they not only set the direction for the gaming industry at the time, but they still have huge appeal today.

This proves that the game's core values, such as depth, freedom, and storyline, are timeless.

Secondly, these classic games are also representatives of different game types. From role-playing to shooting to strategy and open world, they offer players a variety of options. This also reflects that gaming is a diversified form of entertainment that meets the interests and needs of different players.

Finally, some specific elements in these games, such as MOD support, freedom and multiplayer battles, have also had a profound impact on the entire gaming industry. They promote the development of gaming communities and inspire more innovative game designs.

In general, these 20 classic stand-alone games that you can never tire of playing are precious legacies of gaming history and precious memories for us game enthusiasts. They continue to attract new generations of players and have become part of gaming culture, worthy of our long-lasting cherishment and inheritance.

Robots + Artificial Intelligence Have Unlimited Possibilities, Lite3 And X20 Quadruped Robots Unveiled At WAIC 2023

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From July 6th to 8th, the World Artificial Intelligence Conference (WAIC 2023) was held at the Shanghai World Expo Exhibition and Convention Center. Deep Cloud Technology (DEEP) brought the smart quadruped robot Jueying Lite3 and the industrial-grade Jueying X20 multi-sensor fusion version It was unveiled to demonstrate the advanced movement capabilities and AI perception capabilities of the quadruped robot. At the same time as the exhibition, Mr. Wang Ji, deputy general manager of Yunshen Technology, released the Jueying Lite3 Shengteng adaptation version at the "Partner Shengteng AI New Product Release" to provide developers with more development options, enrich development cases, and explore quadruped robots +The unlimited potential of AI.

In recent years, legged robots and artificial intelligence technology have experienced rapid development. Constantly upgraded core hardware and control algorithms have given quadruped robots more powerful power and dexterous movement capabilities; deep learning, reinforcement learning, and large models will Foot robots bring more powerful learning capabilities, decision-making and planning capabilities.

The pre-trained large model multi-modality, with GPT as a typical example, brings revolutionary potential to the interactive capabilities of artificial intelligence. AI empowering physical devices to achieve "embodied intelligence" has aroused global expectations. "Embodied intelligence" robots are closely related to human beings. Communication will no longer be a mechanical "dictionary question and answer", but a new situation that combines personalized communication, task understanding, interaction, planning and physical execution. Among bionic robots, quadruped robots are pioneers with relatively mature technology and applications. In life scenarios, "embodied intelligence" makes it possible for quadruped robots to become "family members"; in the industrial field, quadruped robots will have richer capabilities. Input source analysis and processing capabilities enable more efficient and scientific planning and decision-making on images, videos and various sensor data, and improve operational efficiency.

At the conference, Lite3 demonstrated advanced movement capabilities and AI perception capabilities through dexterous jumping, voice interaction, human body following, and navigation and obstacle avoidance. X20 demonstrated multi-sensor fusion gait planning through natural climbing and descending stairs. Yunshen Technology also The audience was introduced to how the X20 quadruped robot cluster, with the support of artificial intelligence, can achieve decentralized autonomous intelligent cluster control, realize collaborative task exploration in unknown environments, and imagine the infinite possibilities of quadruped robots + AI.

At the "Shengteng Artificial Intelligence Industry Summit Forum" partner Shengtai's new product launch, Yunshen Technology's Jueying Lite3 Shengteng adaptation version deeply integrated the Shengteng AI hardware computing power to help the ecological construction of quadruped robot AI developers. .

Jueying Lite3 is oriented towards education and scientific research, providing in-depth development support such as joint torque and position. Users can conduct more diverse sports training and development based on intelligent algorithms such as deep learning and reinforcement learning, and can also perform autonomous navigation, automatic obstacle stopping and In-depth development of advanced perception capabilities such as obstacle avoidance, visual positioning, and environmental reconstruction.

Jueying X20 is oriented to industry applications and combines AI intelligent recognition and autonomous task planning to provide efficient and professional industry solutions for power and pipe corridor inspections, emergency rescue and reconnaissance, building surveying and mapping, etc. The multi-transmission technology used in this demonstration Sensory fusion gait planning can cross complex environments and rugged terrains more stably and faster, while further reducing the impact of the environment on the robot.

Red Devils Gaming Phone X Tencent Gaming In-depth Strategic Cooperation Launched

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China Quality News Network reported that on January 26, Red Devils gaming mobile phone and Tencent Games jointly held a strategic cooperation signing ceremony with the theme of "Competing for the Top", announcing that the two parties had officially launched in-depth strategic cooperation. Yu Hang, co-founder and senior vice president of Nubia Technology Co., Ltd., and Wu Dan, general manager of Tencent Gaming Hardware, attended the strategic cooperation signing ceremony. The two parties reached a consensus on the integration and in-depth optimization of software and hardware technologies, and will work together to deeply explore players. demand, comprehensively and significantly improve the gaming experience of mobile game users, and promote further innovation and evolution of mobile e-sports hardware equipment and content ecology.

With the popularization of mobile games, the professionalization of player experience, and the systematization of event systems, the development of the mobile e-sports ecosystem is also booming. This is both an opportunity and a challenge for industry leaders such as Red Devils Gaming Phone and Tencent Games. "It is not enough for game manufacturers or hardware manufacturers to optimize and improve user experience unilaterally!" Yu Hang said that as the current demand and trend for the integration of software and hardware in the game industry becomes more and more obvious, both parties need to achieve deeper synergy and complementation. Meet increasingly professional, complex, and detailed user needs. "The in-depth cooperation between Tencent Games and Red Devils has a very consistent goal." As Wu Dan expressed, both parties are committed to further bringing new and extraordinary experiences to game players, so as to better explore, discover happiness and compete together in games. peak!

In-depth cooperation with industry leaders drives industrial innovation and evolution

As a well-known mobile game brand and game development and service operator in China, Tencent Games adheres to the concept of "Spark More! Discover, Infinite Possibilities", in addition to bringing happiness to more than 800 million game players around the world, it also explores games Wider value. Looking back at the development of the mobile game industry in recent years, Tencent Games has launched a number of national mobile games, represented by "Honor of Kings" and "Peace Elite", which have greatly promoted the process of high-quality mobile game content and have played an important role in mass social interaction and people's lives. At the same level, we promote the multi-dimensional combination of games and cultural creation. Through its all-round business layout, Tencent Games has given the word game a richer connotation and built richer emotional connections and interactions between people, so that its functions and value to society are constantly evolving and enriching. . At the same time, Tencent Games has further promoted the improvement and evolution of the mobile e-sports professional system with content and professionalism, building a prosperous industry vitality for the future.

Tencent Games promotes the development of the content ecosystem and mobile e-sports ecosystem of the mobile game industry, while the Red Magic gaming phone has created a model and benchmark for industry hardware equipment through breakthroughs in the vertical track of gaming phones. Red Magic gaming phone is the first domestic manufacturer to enter the vertical track of gaming phones. It has always practiced the C2M model. With its keen insight into the gaming market, it is good at analyzing the potential needs of players and exploring the potential of innovative hardware gameplay. After three years and six generations of innovation, the Red Devils gaming phone has successfully transferred the standards and configurations of various game consoles and PC e-sports levels to the mobile gaming hardware ecosystem: the first super-competitive screen with a 144Hz refresh rate has brought unparalleled PC professional e-sports level Silky visual experience brings mobile gamers; PC e-sports grade air cooling + liquid cooling multi-dimensional three-dimensional cooling system empowers gaming phones with a new performance experience, achieving both surging output and stability; the first highly sensitive dual-IC independent touch shoulder keys to achieve a more intuitive four-finger control experience and reduce the cost for players to get started. These successful hardware innovations have also strategically guided the direction of industry development, and the Red Magic gaming phone has therefore become a recognized professional gaming phone hardware brand in the industry.

After the two parties launch an in-depth strategic cooperation, the Red Devils gaming phone will join forces with Tencent Games to further build hardware from multiple aspects such as player pain points and extraordinary experience. The in-depth strategic cooperation between the Red Devils gaming phone and Tencent Games has further strengthened the concept of joint research and development. The two parties have jointly established a number of special game laboratories, composed of the core technology research and development teams of both parties, to strengthen the development of game works from all dimensions. The actual combat performance comprehensively and significantly improves the gaming experience of mobile game users.

Focus on the future, empower industries, and compete for the top together!

This in-depth cooperation between the Red Devils gaming phone and Tencent Games will connect to the bottom layer of Tencent Games, deeply optimize all Tencent games, and achieve multi-dimensional surpassing industry-level standards. "Tencent Games will also take advantage of its unique advantages in the industry to bring more interesting and valuable new experiences to players, allowing players to score points more happily!" Wu Dan said, joint game laboratory plus Red Magic gaming phone Its strong PC-level e-sports technology and innovation driving force will give full play to the leadership advantage of Red Devils' hardware equipment, and will also show more possibilities for Tencent games.

The deeply customized Red Magic gaming phone will be connected to Tencent Games' customized game acceleration engine to achieve in-depth optimization of Tencent's game content and meet requirements that far exceed industry standards, including but not limited to higher frame rate game screen performance, lower E-sports game network latency, faster touch response rate optimization, and Tencent Games’ exclusive benefits and privileges can effectively improve the experience of mobile game users, empower the growth of the entire industry ecosystem, and promote the formulation of industry standards and e-sports Ecosystem, compete for the top together!

Far exceeding e-sports standards, Tencent Red Magic gaming phone 6 is coming soon!

This time, the Red Devils gaming phone and Tencent Games will give full play to the advantages and expertise of both parties in their respective technical fields, and completely achieve upstream and downstream integration and deep integration of software and hardware. Achieve product evolution and innovation in multiple dimensions such as high frame rate, low latency, and picture expressiveness. Yu Hang revealed that the first new flagship product jointly launched by the two parties, the Tencent Red Magic gaming phone 6, will meet players in the first quarter of 2021. In addition to the officially announced Qualcomm Snapdragon 888 mobile processing platform and +120W super flash charging, the Tencent Red Magic gaming phone 6 has also made leaps in many aspects such as heat dissipation, sound effects, and screens. Wu Thant also used "excellent" to define this product, which was created through in-depth collaboration between the two parties. It is believed that as the first gaming flagship of the in-depth cooperation between the two parties, Tencent Red Magic Gaming Phone 6 will become the gaming phone industry standard in 2021 after its release, and provide a smooth gaming experience for the majority of players!

Trees, Forests And Binary Trees

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①There is and is only one node that can become the 'root';

② Its other nodes can be divided into m branches T1, T2…Tm (mutually non-intersecting sets). Each set itself is also a tree, called a "subtree of the root".

Node degree: that is, the number of subtrees in a tree. For example, the node degree of A here is 3;

Depth: the maximum level of nodes in a tree, the depth here is 4;

ancestors and descendants

On the way from the target node to the root node, all the nodes passed by (except the target node) are the "ancestors" of the target node; conversely, on the way from the root node to the target node, all the nodes passed by are The "descendants" of the root node.

For example, on the yellow path in the picture, A and B are the ancestors of E, and B and E are the descendants of A;

Parents and children

In the tree, except the root node, all nodes have their predecessors, then this predecessor is the "parent" of the target node, otherwise, the node is the "child" of its predecessor.

For example, on the purple path, H and I are the children of D, and D is the parents of H and I.

In a tree structure, a node often has one parent and multiple children (one-to-many);

In a linear structure, a node corresponds to a predecessor and a successor (one-to-one).

brothers and cousins

In a tree, a node may have multiple direct successors (branches), and the relationship between these branches is "brothers", such as the relationship between H and I in the figure;

Nodes belonging to one parent (same level), such as B and C; their children are cousins, such as F and G.

Leaf node: also called terminal node, it is the last node of the tree, that is: degree = 0;

Branch node: the node of the tree, degree ≠ 0;

forest

Concept: It consists of m disjoint trees (m≥0), but in fact a tree can also become a forest, just delete its original root node. Therefore, another concept is introduced: a forest is not necessarily a tree, but a tree must be a forest.

Binary tree

Concept: The structure is the simplest and the regularity is the strongest. It is a finite set with the number of nodes n>0. It can also be an empty set (n=0), or it can be composed of two disjoint trees, called the right subtree and the left subtree respectively. Binary tree composition of subtrees;

Characteristics: ① Each node has at most two children (that is, the degree of each node must be ≤ 2) ② The subtrees of a binary tree distinguish left and right, and cannot be swapped (swapped is equivalent to another binary tree), but this The left and right binary trees can be empty;

ps: Binary trees are not a special case of trees;

Reason: ① Each node of a binary tree has exactly two subtrees, both of which can be empty or not; and each node in the tree can have countless subtrees, and the tree cannot be empty (the tree is A form of graph); ② The subtrees of each node of a binary tree are ordered, which means that left and right can be distinguished (this is the fundamental difference between a binary tree and a tree)

Example: (Quoted by Teacher Wang Zhuo in Data Structure class)

There are three nodes here, using trees and binary trees respectively. What styles can be formed?

It can be clearly seen here that there are five styles of binary trees, and the richness is obviously higher than that of trees; because binary trees are ordered and can be divided into left and right, for example: the second form of the binary tree in the picture is: root node->left child->right Children; from this, the other three types can be derived; (a root node connecting two child nodes is a special case)

A binary tree is divided into left and right subtrees. One of the two subtrees can be empty, or both can be empty.

Although binary trees cannot be equated with trees, and there is no relationship between inclusion and inclusion, most concepts can be applied to each other, such as sibling nodes, depth, length, ancestors and descendants…

Properties of binary trees

①The i-th level of the binary tree has at least one node and at most 2^(i-1)

②A binary tree with depth k has at least k nodes and at most 2^i-1

③For any binary tree of a family, if there are n0 leaf nodes and the number of nodes with degree 2 is n2, then n0 = n2+1

④The depth of a complete binary tree with n nodes is |㏒2 n|+1

Note: The fourth point is very important. This reflects the relationship between the depth of the tree and the nodes.

Proof: Suppose the depth of a binary tree is k and the number of nodes is n, then there is the following relationship:

2^(k-1) -1< nn, then node i has no right child, otherwise its right child is 2i+1

special binary tree

① Full binary tree

② Complete binary tree

A full binary tree must be a complete binary tree, but a complete binary tree is not necessarily a full binary tree.

Binary tree storage structure

①Sequential storage

Disadvantages: It is easy to waste space. In the worst case, a binary tree with a depth of k has only k valid points (single branch tree), but requires 2^k-1 array space.

(such as the picture below)

Features: The relationship between nodes is contained in the storage location, and the relationship between each node can be seen clearly at a glance. This storage method is suitable for full binary trees and complete binary trees.

②Chain storage

In chain storage, each node has its own left child and right child.

At the same time, in a binary linked list with n nodes, there will be 2n chain domains; except for the root node, each node has one and only one parent, so there are n-1 chain domains with parents.

From the above explanation, we can know that in a binary linked list with n nodes, there will be n+1 null pointer fields.

Binary tree traversal

method

Traversing the three components of the binary tree in sequence means traversing the entire binary tree. Among them, we mainly discuss three traversal methods: (mainly named according to the order of traversal of the root node)

①DLR: Preorder, as the name suggests, traverse the root node first, then the left node, and finally the right node

②LDR: middle order, left-root-right

③LRD: Post-order, left-right-root

example

(Written in three ways)

Example 2, typical expressions

Will There Be Aftershocks After The 5.1-magnitude Earthquake In Tangshan? How To Save Yourself During An Earthquake?Interpretation Is Coming

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Yesterday, a heart-wrenching thing happened.

There was an earthquake in Tangshan!

Many sleeping people in Beijing, Tianjin and other places were shaken awake. Netizens sent videos and photos showing cracks in some walls near the epicenter caused by the earthquake.

While people were still worried, at 13:21 in the afternoon, a 4.4-magnitude earthquake occurred in Luchun County, Honghe Prefecture, Yunnan.

At 15:03, a magnitude 4.0 earthquake also occurred in Ruoergai County, Aba Prefecture, Sichuan.

The sudden earthquake affected the hearts of people across the country. In the face of earthquake disaster, how should we take emergency measures? Learn and spread together.

What is the magnitude of the Tangshan magnitude 5.1 earthquake?

There are generally two ways to express the size of an earthquake, one is magnitude and the other is intensity. An earthquake has only one magnitude, but has multiple intensities.

Self-rescue tips in earthquakes_Self-rescue tips in earthquakes_How to save yourself in earthquakes

The place where earthquakes occur inside the earth is called the earthquake source. Generally, those with a focal depth less than 70 kilometers are called shallow earthquakes, those with a depth between 70 and 300 kilometers are called intermediate earthquakes, and those with a depth greater than 300 kilometers are called deep earthquakes.

Intensity refers to the degree of earthquake damage to the ground and buildings and other buildings. my country uses a 12-level earthquake intensity scale.

The 5.1-magnitude earthquake that occurred in Tangshan was a shallow earthquake with a focal depth of 10 kilometers. According to the rapid assessment of earthquake damage and preliminary on-site investigation, the impact of this earthquake could reach six degrees, and the seismic fortification intensity of the earthquake area was eight degrees. It is judged that this earthquake It is unlikely that an earthquake will cause significant damage to buildings.

The recording results of the Beijing Strong Earthquake Network show that the station with the highest instrument intensity of this earthquake is the Donggaocun Station Strong Earthquake Station, Donggaocun Town, Pinggu District, 119km away from the epicenter, and the instrument intensity is III.

Under normal circumstances, the feeling of a III-degree earthquake is as follows: a few stationary people in the room feel it.

Will there be any aftershocks?

According to analysis by experts from the Earthquake Administration, it is unlikely that an earthquake of magnitude 5 or above will occur in the original earthquake area in recent days.

According to historical earthquake cases and physical model analysis, this earthquake will not have a significant impact on Beijing's crustal stress, strain and seismic activity, and normal life order can be maintained.

Self-rescue in earthquakes_Self-rescue tips in earthquakes_How to save yourself in earthquakes

It is worth noting that some netizens said that a warning message popped up on the TV before the 5.1-magnitude earthquake in Tangshan.

What is an earthquake early warning system? has no meaning?

Which one travels faster, electromagnetic waves or seismic waves? There is no doubt that it is electromagnetic waves. Earthquake early warning takes advantage of this and issues early warning before the seismic waves reach the fortified areas.

At present, short-term earthquake prediction is still a difficult problem worldwide.

Generally speaking, there is no need for early warning for earthquakes that are too small in magnitude. There is also a blind spot in earthquake early warning (the epicenter is about 20km). However, there is no need for warning in places that are too far away (the intensity is below six degrees).

In fact, how to "make good use of earthquake early warning" is also a topic that government departments and academic circles have always been concerned about. Making good use of earthquake early warning is of great significance in reducing casualties and economic losses.

How to save yourself when an earthquake strikes?

Self-rescue in earthquakes_Self-rescue tips in earthquakes_How to save yourself in earthquakes

Earthquake emergency avoidance should be divided into two steps:

Take shelter at the nearest place during an earthquake (trilogy of earthquake avoidance: fall to the ground, cover, and hold on)

Don't panic during an earthquake. Compared with injuries caused by falling objects, the former is a small probability event. Don't run immediately to avoid being injured. Remember to "drop, cover, and hold on tight" and evacuate quickly and orderly after the shaking stops. Don't take the elevator, let alone jump off the building.

Quick evacuation after earthquake

The purpose of post-earthquake evacuation is to prevent damage caused by house collapse caused by aftershocks immediately following the main earthquake, based on the principle of "orderly, safe and rapid".

When the seismic performance of a building is average or below, the best way is to leave as soon as possible. What you need to do is move to a safer place outside as soon as possible. If it is impossible to do this due to external conditions, then you can still choose to hide nearby.

In 1995, 80% of the survivors who were rescued from collapsed houses in the Hanshin-Awaji earthquake in Japan benefited from the help of family members and neighbors. The same was true of the Tangshan earthquake in my country. In 2008, this figure was as high as 90% in the Wenchuan earthquake.

self-help

How to save yourself in an earthquake_Earthquake self-rescue tips

When your body has been injured by an earthquake, if conditions permit, cover your mouth and nose with a wet towel to avoid secondary harm to yourself from smoke and dust. Try to hide in a place that is not prone to collapse, and try to use bricks and other unstable heavy objects to support the upper part to protect your living space.

At the same time, you need to make some noise to attract the attention of rescuers. You can hit it with a hard object. But be careful not to shout for help and conserve your energy.

Help each other

In earthquake areas, self-rescue and mutual rescue among families and neighbors are also one of the effective means to reduce earthquake casualties.

If conditions permit, search for the buried person. Don't be impatient when rescuing each other, and don't pull or pull forcefully to avoid worse situations. People should use the method of "head first, body second". When finding a buried person, first remove the dust from their mouth and nose.

If a survivor is found but it is difficult to rescue, first ensure that he or she can breathe fresh air, provide water and food, and find a way to rescue him or her.

Identify rumors and scientifically reduce disasters

After an earthquake occurs, rumors will be generated, disrupting the normal order of social life.

How to save yourself in an earthquake_Earthquake self-rescue tips

In our country, only the government has the right to issue earthquake forecasts, so any other form of "earthquake forecast" is unreliable. Therefore, when dealing with earthquake rumors, we must not believe or spread them and report them promptly.

In addition, it is necessary to increase the monitoring and guidance of public opinion and attach great importance to news release.

Earthquake is a natural phenomenon

Don't panic

Do it in case of an earthquake

Take shelter nearby during an earthquake

Quick evacuation after earthquake

Improve emergency awareness and disaster prevention literacy in daily life

Be prepared for a rainy day and be prepared

Protect your own life and safety

Expert for this article: Zhang Ying, senior engineer, executive deputy director and secretary-general of the Emergency Safety and Disaster Reduction Science Popularization Committee of the China Science Writers Association

English Nicknames With Depth [87 Personalities]

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English nicknames have depth

1. If you want to listen to the radio program "The Troublesome Little Thing of Coming up with an English Name" again, please click here (link).

2. (; Symbolizes wealth)

3. Vogt Vogt

4. Huahua

5. (Stars in the eyes of the person you like)

6. Tears turn into laughter

7. (Sad English name: Desperate Struggle)

8. Xuelan – (Eloti) (English nickname has depth).

9. His meaning is: the sound of the leaves rustling in the breeze.

10. Reins English online name with ins style: What are some good ins style store names? English internet names with ins style: What are the ins style internet names? English online name ins style: How should the English online name on ins be chosen to match the Chinese name Lin Jiayi for a boy with a personalized ins name. English online names in ins style: Retro ins online names for girls English online names in ins style: What are the names of ins style bakery shops? English internet name with ins style: How to choose a sexy internet name with ins style? English internet name with ins style: what is a better internet name? A better online name,

11. The broken flowers painted on the Chonglou are full of love, and the tears can be heard quietly.

12. Liberation

13. The breeze is not drunk, the clothes are smooth and the rice is good, and the Butterfly Shadow Art Exhibition

14. (English name translated into Chinese: Mo Mo)

15.: Turquoise (English nickname has depth).

16. never love

17. (Annotation for English internet name: Fanhua) An English internet name with deep meaning.

18. Gift, soul

19.-||-

20. ❉Can anyone give me a nice-sounding, good-looking, and meaningful English online name? ! Talented people, don’t be stingy… (English name note: Ending)

21. Malak: Angel

twenty two,

23. Pablo is a boy’s English name derived from Latin. It was originally a boy’s name in Latin areas. This name has the connotation of loving nature, giving people a good impression of rich emotions, kindness and clearness. It is suitable for boys who are cold on the outside and hot on the inside as an English name. In line with their personality characteristics, it is a niche boy with meaning in English. name.

24. Gorgeous, curtain call

25. Yanxia Chengge’s ins name is short and meaningful in English.

26. Yaya’s English nickname 20

27. Same. He is regarded as a smart, honest and polite big boy; or he is regarded as a rich man who is proud of his talent.

28. Escape

29.-▼

30. (Siege)

31. Blake Bi Blake Bi (has a righteous temperament)

32.

33.

34. Brand Binbini (God’s grandson is as pure as wine)

35. Boliang*

36. Red dragonfly

37. ① If you think you can refer to the names of foreigners or foreign celebrities around you, and you can choose one yourself, is that okay? Please return to the above list of complaints and read it carefully.

38. A complete list of ins store names. Ins cold style online names: Forest and Sea, Angel Secret, Lanting Kani

39.▎

40. (Undersea)

41. Instant kill feelingゼ

42. The spelling rules of some letters in Chinese Pinyin are very different from the pronunciation in English (for example, in English pronunciation, Q=K, X=Z, what terrible consequences this will cause).

43. (Cherish)

44. Cheap. Cheap.

45. Usage

46.0ㄒīаms｜mēㄒoo

47. Cancer girls: Begin again or learn to give up (Cancer girls I know usually know how to cherish their feelings. They are very sensitive and delicate, so this name is given to them＾＿＾)

48. Unintentional

49. ②Hillary: intoton

50. Mandy, Mandy means worthy of love. When you have someone who truly loves you, you can let him call you a name that sounds nice and has a good meaning.

51. Meaningful and mature names can also reflect the charm of a man, such as: the passing water leaves no trace, the rainy night chases the wind, the wind is rising, the silence is better than the sound, the quiet night is thoughtful, the late autumn sun is shining, the wind candles the house, the moon is looking at the memory, the spring sleep is endless. When I wake up, I can see the clear sky, and the smoke locks the cold building;

52. Be obedient

53. Henry Henryda (head of the family)

54. South Bay: South Bay.

55. Holda Holda (beautiful decoration)

56. Baroness

57. A well-educated WeChat name for women.

58. Gastifagastyhua (learner) Harlehawila (student)

59. ∝ MyKK丶Bingli.

60. Falling snow and remaining flowers

61., means wisdom. There is a princess whose name is this, and it sounds very nice.

62. Little lazy pig

63. Lao Ba Lao Ba Te (superb wisdom)

64. Sigh: Sigh.

65. Ashalus Ashania (blessed and helped by God) Basario Mashania (King-Queen)

66. For example, after some people abandoned traditional English names, they began to name themselves after fruits, animals and even months, such as Apple, Tiger, Sunny,…

67. The movie uses a lot of details to show the depression, but it has a compassionate mood for those who are harsh and cruel. For example, in the scene where Frank shoots Jimmy, the hesitation and helplessness before the action, and the grief and anger after the action are all presented to the audience in detail. Then in the scene where Frank calls Jimmy's widow Josephine, he first avoids his daughter's questioning eyes, then stutters and trembles over the phone. After hanging up the movie, he sighs, and the camera shows Frank a decadent and collapsed figure. Behind the scenes, stories always betray the people you love and hurt the people you want to protect, but little do you know that the biggest enemy in the end is time. No matter how sad or reluctant to leave, no one can escape separation.

68.China☆Wolves

69. Not long ago, a question on Quora "What weird English names do Chinese people have?" attracted countless responses from Chinese and foreign netizens, and this embarrassing fact was pushed to the forefront for the first time.

70.

71. Website:

72. Nocturne

73., comes from Latin, meaning love, and represents a cute girl. Although conservative, she is beautiful, generous, sweet and rich.

74. Cold nature

75. Poems and books can reflect a person’s cultural heritage, such as: cold light, bamboo shadows, cyan rain sounds, leaving no trace on the snow, small bridges, flowing water, meeting people at dusk, falling leaves in the maple forest, clouds in the sky mirror, misty wind, moonlit night stars. , the mountains are beautiful and the streams are clear, the sand dunes are shadowed by the moon, and the wind is blowing on top of the clouds;

76. Yao Yao’s green silk hair falls into oblivion

77. Later, I don’t know why, this “Tony” became the exclusive name of barbers, and the foreign style of that year also became my “black history”.

78. () Herman

79. Wetting depth

80. I sing

81. Richard Rika (powerful person)

82. ||

83. Isaac (strong faith)

84. It has the meaning of "soldier" in German and highlights the characteristics of manliness. It is the most popular English name among parents nowadays; and the English name "/Herman" has a fashionable and foreign pronunciation, and a melodious and melodious melody, making its English name overall meet the requirements of a good-sounding name.

85. Please accept it, thank you! A classy online name in English. An elegant and sophisticated online name in English: I want an English online name, and it needs to be meaningful, thank you!gray fantasy

86. Ediza

The above "English nicknames with depth [87 personalities]" are compiled and published by the editor of Sentence Excerpts.com. More high-quality sentence excerpts are available at Sentence Excerpts.com ()