Article 6 retrospective thinking (for example)

I. Thoughts

Sometimes we need to get a solution to the problem. First, we need to test the problem from one of the situations. During the test, once we find that the original choice is incorrect, we will return to the next step and make a new choice,

Then, let's continue testing and repeat the process until we can find the solution to the problem.

 

Ii. Scenario

Backtracking is a very important idea, and its application scenarios are also very extensive.

① "Playing chess": each time you play chess, you must consider whether it is harmful to others. If it is harmful to yourself, you must withdraw from the game and find a way to harm others.

② "Maze"

Graph traversal is a part of my previous articles. If you are interested, you can take a look.

 

Iii. Example

Article 6 retrospective thinking (for example)