"Monitor... Can you teach me this question?"
Lin Chu suppressed his shyness and mustered up the courage to ask Lu Xingye.
"Okay, look, here is..."
Lu Xingye took Lin Chu's notebook and took a look at it. With sharp eyes, he noticed that the solution to a similar problem was written on the exposed corner.
The solution is even simpler than his steps.
He calmly smoothed the folded corners, his tone meaningful.
"This question is not easy."
Intention: From beginning to end, you are the goal and the only one