添加问题“3337.字符串转换后的长度II”的代码和题解

[LetMeFly666]

By newSolution.py using GH on MacOS | close: #935

[LetMeFly666]

LGTM

[LetMeFly666]

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[LetMeFly666]

这是一道在3台电脑上接力过的题目

[Copilot]

Pull Request Overview

Adds the solution code, documentation, and test scaffolding for LeetCode problem 3337 (“字符串转换后的长度II”).

• Introduces multi-language implementations (C++, Python, Java, Go) and a C++ test file.
• Updates README with the new problem entry and tags.
• Cleans up outdated logs and adds local markdown updates.

Reviewed Changes

Copilot reviewed 12 out of 12 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
toSay.md	Appended latest commit note and face‐scan failure log
checkoutList.txt	Added local git command history (likely unintentional)
Solutions/Other-English-LearningNotes-SomeWords.md	Added new vocabulary entries
Solutions/LeetCode 3335.字符串转换后的长度I.md	Clarified wording and added complexity analysis
README.md	Inserted problem 3337 entry into the problem list
Codes/3337-total-characters-in-string-after-transformations-ii.test.cpp	Added test scaffold (missing include)
Codes/3337-total-characters-in-string-after-transformations-ii.py	Added Python solution
Codes/3337-total-characters-in-string-after-transformations-ii.java	Added Java solution
Codes/3337-total-characters-in-string-after-transformations-ii.go	Added Go solution
Codes/3337-total-characters-in-string-after-transformations-ii.cpp	Added C++ solution
.gitlog	Removed outdated commit log file

Comments suppressed due to low confidence (5)

Codes/3337-total-characters-in-string-after-transformations-ii.py:20

• [nitpick] This method name shadows the built-in pow function. Consider renaming to something like matrix_power() to avoid confusion.

    def pow(self, a: List[List[int]], b: int) -> List[List[int]]:

Codes/3337-total-characters-in-string-after-transformations-ii.py:1

• There are no unit tests for the Python implementation; adding a test suite will help catch regressions and ensure consistent behavior across languages.

'''

checkoutList.txt:1

• This file contains local command history and doesn’t appear relevant to the project; consider removing it or adding it to .gitignore.

LeetCode git:(master) git ls-remote --heads origin    

toSay.md:3

• [nitpick] This log entry may not belong in project documentation and could be better placed in a changelog; please clarify its purpose or remove it.

好多位数字开头的commit_hash: https://github.com/LetMeFly666/LeetCode/commit/9057177528b579fa50e94e1f2316ad2b873f7db9

Codes/3337-total-characters-in-string-after-transformations-ii.test.cpp:9

• The include for the solution file is commented out, causing undefined references to Solution; uncomment or correct the include so the test can link against the implementation.

// #include "3337-total-characters-in-string-after-transformations-ii.cpp