VSCode C/C++ File Input + Output (Code Runner) Three Way View from this video
"c": "cd $dir && gcc $fileName -o $fileNameWithoutExt && ./$fileNameWithoutExt < input.txt > output.txt",
"cpp": "cd $dir && g++ $fileName -o $fileNameWithoutExt && ./$fileNameWithoutExt < input.txt > output.txt"