[VSCode] MAC C++ task.json

MAC C++ task.json

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558 
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "type": "shell",
            "label": "C++ build with g++",
            "command": "g++",
            "args": [
                "-std=c++17",
                "-g",
                "${file}",
                "-o",
                "${fileDirname}/${fileBasenameNoExtension}.out",

                "&&",   // File I/O redirect
                "${fileDirname}/${fileBasenameNoExtension}.out",
                "<",
                "${fileDirname}/input.txt",
                ">",
                "${fileDirname}/output.txt"
            ],
            "group": {
                "kind": "build",
                "isDefault": true
            },
            "presentation": {   //Explained in detail below
                "echo": false,
                "reveal": "always",
                "focus": true,
                "panel": "shared",
                "clear": false,
                "showReuseMessage": false
            },
            "problemMatcher": []
        }
    ]
}