目录
要求
- 请设计一个学生成绩管理系统。学生信息包括学号、姓名、性别、英语、数学、程序设计、数据结构、总分、名次等内容。请实现如下功能:
- 学生信息的录入(并能够检查学号重复者、成绩不超过100分检查,计算总分);
- 学生信息的查询(可以按照学号和姓名两种方式查询);
- 学生信息的修改(一律按照学号对应修改,仅对四门课程成绩修改);
- 学生总分的排序(要求稳定排序,有相同分数时按照并列名次处理);
- 学生信息的输出;
- 退出管理系统;
效果图
Gif 动图
各界面图
源代码下载
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流程图
思路与算法
- 数据结构
- 双向链表(使用STL的list)
- 算法
- 插入:尾插法(list::push_back())
- 排序:二路归并(其实最好是采用基数排序)
- 查找:顺序查找
注意
- 本例中使用了SLT的list,但查找,排序算法是自己写的。其实用我自己的双向队列后实现查找排序会简单很多,但由于需要使用到coolfun中的一些控制台界面函数(coolfun::switch_show_change),因此骑虎难下。
- 本例中是使用了包含大部分自己写的函数的函数库coolfun,将会在后续文章中介绍它。
vibration analysis
The Value of Resonance Management Tools in Machinery
Inside industrial contexts, machines along with rotational systems are the foundation of output. However, one of the commonly common problems which might obstruct its performance along with longevity is oscillation. Vibrations could result in a array of issues, including minimized accuracy along with effectiveness resulting in heightened erosion, in the end bringing about expensive delays along with restoration. This is where vibration control equipment is vital.
Why Oscillation Control proves Important
Resonance in machines can lead to multiple negative effects:
Decreased Operational Efficiency: Excessive oscillation may result in misalignments and instability, minimizing the performance of such equipment. This may bring about slower production times and elevated energy use.
Increased Wear and Tear: Ongoing vibrations speeds up the erosion in machine components, causing more regular maintenance as well as the chance of unexpected issues. This not only increases maintenance expenses but also reduces the durability for your systems.
Protection Dangers: Uncontrolled vibration could pose substantial security risks both to both the equipment and the operators. In extreme situations, serious conditions, such vibrations may cause catastrophic machinery failure, threatening employees along with bringing about considerable devastation to the facility.
Exactness and Manufacturing Quality Challenges: For industries that demand precise production, such as manufacturing as well as aerospace, oscillations might lead to flaws in manufacturing, causing defective products as well as more waste.
Cost-effective Alternatives to Oscillation Control
Putting money in vibration control tools remains not only a necessity and also a prudent choice for any industry that uses mechanical systems. We offer advanced vibration management systems are engineered to mitigate vibrations in all mechanical systems or rotational systems, guaranteeing smooth as well as efficient functioning.
One thing that differentiates such systems apart is its reasonable pricing. It is recognized that the importance of keeping costs low in the modern competitive marketplace, thus we offer high-quality vibration control solutions at prices that are affordable.
By choosing our equipment, you are not just safeguarding your machines and boosting its efficiency but also putting resources into the long-term achievement of your operations.
In Conclusion
Vibration control is a critical factor of maintaining the effectiveness, safety, and lifespan of your machinery. Through these reasonably priced resonance mitigation apparatus, you can ensure that your operations operate seamlessly, all manufactured items remain top-tier, and your workers stay secure. Don’t let vibration affect your operations—put money in the correct apparatus now.
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The Significance of Resonance Control Equipment in Machinery
Across industrial settings, devices and rotational equipment act as the backbone of manufacturing. However, one of the most common issues that can hinder their performance and lifetime is vibrations. Vibration can cause a range of issues, from decreased precision along with productivity to elevated deterioration, eventually causing costly downtime and fixes. Such a situation is when vibration regulation systems is critical.
Why Oscillation Control is Necessary
Oscillation in equipment can lead to various detrimental impacts:
Lowered Functional Performance: Exaggerated vibration may result in discrepancies and instability, decreasing the performance of the equipment. This could lead to reduced production schedules and increased electricity usage.
Heightened Deterioration: Constant vibration increases the erosion of equipment components, bringing about more frequent upkeep as well as an potential for unanticipated unexpected issues. Such a situation does not just raises maintenance expenses as well as limits the lifetime of the existing devices.
Safety Dangers: Unmanaged resonance can present significant safety risks for the machinery and the machinery as well as the operators. In, severe cases, this might bring about cataclysmic equipment failure, endangering operators as well as bringing about significant destruction across the site.
Precision along with Quality Challenges: In industries which demand exact measurements, for example manufacturing and aerospace, oscillations could lead to errors with manufacturing, resulting in defects as well as greater waste.
Economical Alternatives for Vibration Management
Putting money into vibration control tools proves not merely essential but a wise choice for any business any organization that uses machinery. Our cutting-edge vibration management systems are intended to remove vibrations in all machine or rotating equipment, ensuring uninterrupted and efficient functioning.
What distinguishes our systems apart is its affordability. It is recognized that the necessity of affordability inside the modern competitive marketplace, and for that reason we provide high-quality vibration management solutions at prices that are reasonable.
By selecting these tools, you aren’t simply safeguarding your machines as well as improving its performance but also investing in the long-term achievement of your operations.
Final Thoughts
Vibration control is a necessary aspect of maintaining the efficiency, security, and durability of your industrial equipment. With our economical oscillation control systems, you can ensure that your production operate seamlessly, all goods are of high quality, and your employees are protected. Do not let vibrations undermine your business—invest in the correct apparatus immediately.
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Если вы искали где отремонтировать сломаную технику, обратите внимание – тех профи