Flash Run C/C++

C compile & runner for VSCode

How to install

1. Install in VSCode

Open VSCode app, and search "Flash Run C/C++" in VSCode MarketPlace, then click "Install".

2. Download via MarketPlace Link

click here and click install button.

3. Install via GitHub

You can download in this page. When you finished downloading, click ··· button on top of the MarketPlace window, then select "Install from VSIX", and browse the downloaded .VSIX file and open it.

How to use

One-click Compile&Run

Open any C/C++ file, and press ▶️ Flash Run C⚡️ button located at the tab bar. It will automatically compile and run your C/C++ code.

Run selected lines

Select lines of codes to run, then right-click on it and click ⚡ Flash Run Selected Lines (Experimental). This feature basically makes and run the temporary file which includes all the header files and pre-defined functions, and selected code lines inserted in the main() function.

Run with input

1. Right-click on anywhere of your C/C++ editor screen.
2. Click [C/C++ ⚡️] Run C/C++ with Input (Experimental).
3. Enter your stdin input and press enter. Your code will be compiled & run instantly.

Run all testcases

1. Create input.txt and output.txt files in the same directory as your C/C++ file.
2. Each line in input.txt represents a separate test case input.
3. Each corresponding line in output.txt should contain the expected output for the same test case.
4. Open your source file in VS Code.
5. Open the Command Palette (⇧⌘P or Ctrl+Shift+P) and run:
   Flash Run C: Run All Test Cases
6. The extension will compile your program, execute each test case, and compare results.
7. Pass/fail results will be shown for each test, and a summary will be displayed.

How to change settings

Open VSCode Settings, and search "flash run c" at the search bar. You can find various settings you can change.

See more information at MarketPlace.