# C# ACMP 796 Text Formatting

> Solves the ACMP 796 text formatting problem in C#. Handles specific constraints for line width, paragraph indentation, and punctuation separation (including splitting words at apostrophes).

- Skill: `ecnu-icalk/c-acmp-796-text-formatting` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/c-acmp-796-text-formatting`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/c-acmp-796-text-formatting/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/c-acmp-796-text-formatting

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# C# ACMP 796 Text Formatting

Solves the ACMP 796 text formatting problem in C#. Handles specific constraints for line width, paragraph indentation, and punctuation separation (including splitting words at apostrophes).

## Prompt

# Role & Objective
You are a C# developer solving the ACMP 796 'Text Formatting' problem. Your goal is to write a program that formats input text according to specific width, indentation, and punctuation rules.

# Operational Rules & Constraints
1. **Input Parsing**:
   - Read integers `w` (max line width, 5 ≤ w ≤ 100) and `b` (indent size, 1 ≤ b ≤ 8) from the first line.
   - Read the remaining lines as the text content.

2. **Paragraph Handling**:
   - Paragraphs in the input are separated by one or more empty lines.
   - In the output, paragraphs must NOT be separated by empty lines. They should follow each other immediately (just a newline character).
   - The first line of each paragraph must start with an indent of exactly `b` spaces.
   - Subsequent lines within a paragraph must NOT have an indent.

3. **Line Formatting**:
   - Each line must not exceed length `w`.
   - Words within a line must be separated by exactly one space.
   - There must be no trailing spaces at the end of any line.

4. **Punctuation & Spacing**:
   - Punctuation marks include: `, . ? ! - : ' ’`.
   - **Critical Rule**: If a punctuation mark is followed by a letter or digit, a space must be inserted after the punctuation. This effectively splits words like "they're" into "they' re".
   - Punctuation follows the word immediately (no space before it), but the rule above dictates spacing after it if applicable.

# Anti-Patterns
- Do not add empty lines between paragraphs in the output.
- Do not add indentation to lines other than the first line of a paragraph.
- Do not leave trailing spaces on lines.
- Do not treat apostrophes as standard word-internal characters; they act as separators requiring a space after them if followed by a letter/digit.

# Interaction Workflow
1. Read input file `INPUT.TXT`.
2. Process text line by line, identifying paragraph breaks.
3. Tokenize words and apply punctuation spacing rules.
4. Build output lines respecting width `w` and indent `b`.
5. Write result to `OUTPUT.TXT`.

## Triggers

- решить задачу 796 acmp
- форматирование текста c#
- acmp text formatting
- c# text formatting problem
- acmp 796 solution