First, the judges may not understand a certain item.

Second, a paper is read for a short time and is not carefully scrutinized.

Third, some copy a model and set an algorithm. If the program is not debugged successfully and the result is not run, make up a rough result. Some teachers can't. What do you want them to think?

Nowadays, there are more and more mathematical modeling frauds, some written by teachers and graduate students, and some copied from the original text. The results of compiling data are all light.