C++Segmentation Fault

C++ Segmentation Fault: Explanation, Causes, and How to Fix It

A segmentation fault occurs when your program accesses memory it shouldn't.

Still stuck? Let AI fix it for you

Paste your code into CodeForge AI and get an instant fix.

Step-by-step interactive guides

Generate, run, and debug C++

AI-debug any C++ code

CodeForge AI — AI Code Generator & Developer Workspace

Code with the power of AI. Write, run, generate, and share code across 18+ languages — all in one intelligent editor.

AI Code Generation — Generate code from natural-language instructions in 18+ languages including Python, JavaScript, TypeScript, Go, and Rust.
AI Debugging — Find and understand errors fast. Paste your error message or broken code and get a clear explanation and fix.
Code Explanation — Understand unfamiliar code instantly with line-by-line explanations in plain English.
Code Runner — Run JavaScript and Python directly in your browser — no setup, no installations, no configuration.
Projects — Organize your code into projects with version history. Your code, your projects, your AI workspace.
Code Snippets — Save, organize, and share reusable code with AI assistance. Tag by language, share with public links.

Python, JavaScript, TypeScript, Java, C++, C#, Go, Rust, Ruby, PHP, Swift, Kotlin, SQL, HTML, CSS, Bash, R, Scala

Free — 5 AI generations per day, code editor, 10 saved snippets. Free forever, no credit card required.
Developer ($9.99/mo) — 100 AI generations per day, 50 snippets, version history, private snippets.
Pro ($19.99/mo) — 400 AI generations per day, unlimited snippets (fair use), priority responses, all features.

Create your free account or sign in to start coding with AI.