Originally, Lin Fan had only planned to answer the question casually.
At this moment, he decided to do it well.
Lin Fan's pen flew as he quickly wrote down a series of complicated calculations on the white sheet of paper.
Then, he told the requirements and data to Xia Bing and Xia Xue.
Instantly, Lin Fan's team began to make a series of rhythmic clicking sounds.
As time passed, the prototype of a drainage system gradually appeared on Xia Bing's and Xia Xue's computers.
Soon, it was noon.
Many people directly bought their meals to eat at the entrance of the lecture hall.
After they finished eating in a hurry, they continued to solve the questions and compete.
It could not be helped. The mathematical modeling workload was too heavy.
If they did not hurry, they might not be able to complete the task within three days.
