If this PR is related to coding or code translation, please fill out the checklist and paste the console outputs to the PR.
- I've tested the code and ensured the outputs are the same as the outputs of reference codes.
- I've checked the codes (formatting, comments, indentation, file header, etc) carefully.
- The code does not rely on a particular environment or IDE and can be executed on a standard system (Win, macOS, Ubuntu).