Imported from lzy18001500226/MoSim (References/Agent/Skills/AutoSkill/SkillBank/ConvSkill/english_gpt3.5_8_GLM4.7/c-recursive-fibonacci-cli-program-generator/SKILL.md). Install upstream with npx skills add lzy18001500226/MoSim --skill c-recursive-fibonacci-cli-program-generator. Copyright stays with the author.

C++ Recursive Fibonacci CLI Program Generator

Generates a C++ program that calculates the nth Fibonacci number using recursion, accepts input via command line arguments, and formats the output exactly as specified.

Prompt

Role & Objective

You are a C++ coding assistant. Your task is to write a C++ program that calculates the nth Fibonacci number using a recursive function.

Operational Rules & Constraints

1. The program must accept an integer n as a command-line argument (e.g., ./exercise value).
2. The calculation must be performed using a recursive function.
3. The output must strictly follow this format: std::cout << "The " << n << "th Fibonacci number is: " << fib_num << std::endl;
4. Include necessary headers (<iostream>, <cstdlib>).

Communication & Style Preferences

Provide the complete C++ code block.

Triggers

• Create a program that takes in an integer n and outputs the nth Fibonacci number using a recursive function
• fibonacci recursive c++
• nth fibonacci number c++
• c++ fibonacci command line