CPP Setup

Note: It will not work if your default terminal is Powershell. Make it "cmd" then it will work.
To change default terminal : Hit clt+shift+p->write:default terminal->change it to cmd.

{
  "version": "2.0.0",
  "tasks": [
    {
      "label": "Compile and run",
      "type": "shell",
      "command": "",
      "args": [
        "copy",
        "\"${file}\"",
        "${workspaceFolder}\\jspwTest.cpp",
        "&&",
        "g++",
        "jspwTest.cpp",
        "-o",
        "jspwTest",
        "&&",
        "jspwTest",
        "<",
        "input.txt",
        ">",
        "output.txt",
        "&&",
        "del",
        "jspwTest.exe",
        "&&",
        "del",
        "jspwTest.cpp"
      ],
      "presentation": {
        "reveal": "never"
      },
      "group": {
        "kind": "build",
        "isDefault": true,
      },
      "problemMatcher": {
        "owner": "cpp",
        "fileLocation": [
          "relative",
          "${workspaceRoot}"
        ],
        "pattern": {
          "regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
          "file": 1,
          "line": 2,
          "column": 3,
          "severity": 4,
          "message": 5
        }
      }
    }
  ]
}

{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "compile",
            "type": "shell",
            "command": "g++",
            "args": [
                "-std=c++17",
                "-o",
                "${fileBasenameNoExtension}",
                "${file}"
            ],
            "group": {
                "kind": "build",
                "isDefault": false
            }
        },
        {
            "label": "compile and run",
            "type": "shell",
            "command": "g++ -std=c++17 -o ${fileBasenameNoExtension} ${file} && ./${fileBasenameNoExtension} < input.txt > output.txt",
            "group": {
                "kind": "build",
                "isDefault": true
            }
        }
    ]
}