feat: add solutions to lc problem: No.0955

[yanglbme]

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[Copilot]

Pull request overview

This pull request adds solutions for LeetCode problem No.0955 "Delete Columns to Make Sorted II" in multiple programming languages. The problem requires finding the minimum number of columns to delete from an array of equal-length strings to ensure the resulting strings are in lexicographical order.

• Implements a greedy algorithm that processes columns from left to right
• Tracks which adjacent string pairs have already established lexicographical ordering
• Deletes a column only when it would violate the ordering for a pair that hasn't been settled

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
Solution.py	Python implementation of the greedy column deletion algorithm
Solution.java	Java implementation with same greedy approach
Solution.cpp	C++ implementation using vector and bool arrays
Solution.go	Go implementation following the same algorithm pattern
Solution.ts	TypeScript implementation with typed arrays
Solution.rs	Rust implementation using Vec and as_bytes() for character access
README.md	Chinese documentation with problem description, examples, and solution explanation
README_EN.md	English documentation with equivalent content

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