Super God-Level Top Student
Chapter 872 - 328: Does Everyone Want Pressure?!_2

Several top scorers in the national college entrance examination ultimately failed, yet still 12 people scored full marks.

Who wouldn't love such students?

Even at Qingbei, wouldn't they be treated with utmost respect?

Until the interview began...

Dou Dou really doesn't make it easy for anyone!

It was already the last interview of the day. Listening to Dou Dou read the question in a childish tone, Xu Dajiang felt his heart bleeding.

"Assume there was a natural disaster in a mountainous area, and you are a member of a rescue team responsible for calculating the fastest rescue route from the base to the disaster area. This mountainous area can be considered as a graph composed of N nodes, each node represents a location, and edges between nodes represent paths, with the weights on the edges representing the time required to traverse these paths.

Due to the complex terrain, some paths may become impassable because of the disaster, meaning that the graph is dynamically changing. Your task is to find the fastest route in the given graph, while considering the possible dynamic changes.

Now comes the question, listen carefully. First, describe an algorithm to find the fastest route from the base to the disaster area. Given that the weights in the graph might update due to subsequent terrain changes, your algorithm should be able to quickly adapt to these changes.

Second, assume that during your calculation process, you receive information that some paths are no longer usable due to landslides, and some new paths have been discovered. How would you modify your algorithm to adapt to these immediate changes?

Third, design a strategy to complete the calculation and update of the optimal path within a limited time. Also, prepare a brief report explaining your method and why you believe it is the best solution.

You have a total of twenty minutes to think about and answer these questions, which you can allocate as you see fit."

As Dou Dou finished speaking, the large screen prepared in the background simultaneously displayed corresponding images.

The expressions of the human examiners next to Dou Dou were almost the same, all looking constipated.

From Xu Dajiang to the professors of the Mathematics Research Institute, the gaze towards the student being interviewed was full of sympathy.

They all felt the question was too tough.

Even the professors at the Mathematics Research Institute felt relieved.

Like Professor Han.

If during their time they had to be interviewed by Dou Dou like this, they would most likely have been eliminated.

Such short time, such difficulty...

If it weren't for the somewhat decent performance of a few candidates earlier, Xu Dajiang would want to ask Qiao Ze if this method was too aggressive.

He witnessed the previous interviewee, who barely spoke for twenty minutes, began to tear up after ten minutes, and then voluntarily gave up the interview. At that moment, his heart ached more than the student who gave up, even to the point of describing it as bleeding.

The originally somewhat cute Dou Dou now seemed like a demon.

It's noteworthy that this year, out of regard for Qiao Ze's face and because it is the first year of establishing Qiao Class and Ze Class, the examination offices of Qingbei and some other top universities in each province gave these candidates the choice.

In other words, the competitors applying for Qiao Class and Ze Class were not necessarily locked into Xilin University of Technology at the moment and were in a status that was not locked down. If they pass the exam, they could stay at Xilin University of Technology.

If they didn't pass, they could still go to the schools they had previously applied for. The examination offices of the two provinces and cities would cooperate with the students to transfer their files. This was just a temporary measure for this year, with the assessments for Qiao Class and Ze Class moving to March to June next year, determining the candidates before the national college entrance exam and thus completely solving this problem.

This also meant that these eliminated top students, would likely miss out on Xilin University of Technology, as they initially aimed for Qiao Class and Ze Class. If they didn't pass, the Capital might be more attractive for them.

This was frustrating.

Thinking that those two could still replenish quality students while his own School of Mathematics struggled to attract them made it even more painful for him.

Xu Dajiang also had plans to hold a small meeting for those eliminated students afterward.

Actually, the School of Mathematics at Xilin University of Technology isn't bad... The current professors have also trained at Yanbei University, and there are opportunities to be exchange students in the future. Moreover, he planned to talk with Qiao Ze to discuss whether Dou Dou's question setting was too harsh.

While Xu Dajiang was lost in these thoughts, the student opposite suddenly began to answer.

"Considering the problem of the fastest route from the base to the disaster area, my first thought was to use either Dijkstra's algorithm or A* algorithm. Hmm, using Dijkstra's algorithm because it considers the possible dynamic changes, Dijkstra's algorithm is a good starting point, it can find the shortest path from a single source point to all other nodes in a weighted graph.

Even if some unforeseen events lead to an update of the dynamic graph, Dijkstra's algorithm can be rerun to find new shortest paths. The advantage of A* algorithm lies in higher efficiency when there is a clear destination, because it uses heuristics to estimate the distance from the current node to the target node, thereby reducing the number of nodes that need to be explored. They can be used in conjunction.

These are my thoughts on the first two questions. Therefore, my strategy is to use Dijkstra's algorithm as the main tool, and design a rapid response mechanism for possible dynamic changes such as paths becoming unusable or discovery of new paths, in order to update the graph's weights and structure in real time.

Simultaneously, the rescue team would be divided into several teams, each keeping communication open with the command center, receiving real-time updates on the path conditions, rerunning the algorithm to perform the map updating work, and including the A* algorithm to dynamically control the routes for each rescue team, specific measures are as follows:..."

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