VScode debugging c ++

mingw download @mingw offline
use VScode compile C ++, you need to configure three .json file.
New in .vscode directory
tasks.json

{
    "version": "2.0.0",
    "command": "g++",
    "args": ["-g","-std=c++11","${file}","-o","${workspaceRoot}\\${fileBasename}.exe"],
    "problemMatcher": {
        "owner": "cpp",
        "fileLocation": ["relative", "${workspaceRoot}"],
        "pattern": {
            "regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
            "file": 1,
            "line": 2,
            "column": 3,
            "severity": 4,
            "message": 5
        }
    }
}

launch.json

{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "C++ Launch (GDB)",                
            "type": "cppdbg",                         
            "request": "launch",                        
            "targetArchitecture": "x86",                
            "program": "${workspaceRoot}\\${fileBasename}.exe",                 
            "miDebuggerPath":"C:/Program Files (x86)/mingw64/bin/gdb.exe", 
            "args": [],     
            "stopAtEntry": false,                  
            "cwd": "${workspaceRoot}",                  
            "externalConsole": true,                  
            "preLaunchTask": "g++"　　                  
            }
    ]
 }

c_cpp_properties.json

{
    "configurations": [
        {
            "name": "Win32",
            "includePath": [
                "${workspaceRoot}",
                "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++",
                "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/x86_64-w64-mingw32",
                "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/backward",
                "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include",
                "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/tr1",
                "C:/Program Files (x86)/mingw64/x86_64-w64-mingw32/include"
            ],
            "defines": [
                "_DEBUG",
                "UNICODE",
                "__GNUC__=6",
                "__cdecl=__attribute__((__cdecl__))"
            ],
            "intelliSenseMode": "msvc-x64",
            "browse": {
                "path": [
                    "${workspaceRoot}",
                    "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++",
                    "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/x86_64-w64-mingw32",
                    "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/backward",
                    "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include",
                    "C:/Program Files (x86)/mingw64/lib/gcc/x86_64-w64-mingw32/8.1.0/include/c++/tr1",
                    "C:/Program Files (x86)/mingw64/x86_64-w64-mingw32/include"
                ],
                "limitSymbolsToIncludedHeaders": true,
                "databaseFilename": ""
            },
            "compilerPath": "C:/Program Files (x86)/mingw64/bin/gcc.exe",
            "cStandard": "c11",
            "cppStandard": "c++17"
        }
    ],
    "version": 4
}

Note: The path is the path to your specific installation, you need to modify!
So that it can compile cpp files.