How can I debug (C / C++)？ #3643

#include <stdio.h>
void main(){
    
int x=20;

    printf("XLJ666\n");

}

{
    // 使用 IntelliSense 了解相关属性。 
    // 悬停以查看现有属性的描述。
    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "启动调试",
            "type": "cppdbg",
            "request": "launch",
            "program": "${fileDirname}/bin/${fileBasenameNoExtension}.debug.out -g",//该项填写生成的可执行文件的实际路径，注意后缀名
            "preLaunchTask": "build",
            "args": [],
            "stopAtEntry": false,
            "cwd": "${fileDirname}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "为 gdb 启用整齐打印",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ]
        }
    ]
}

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
           
            "type": "shell", 
            "label": "build",
            "command": "gcc ${file} -o ${fileDirname}/bin/${fileBasenameNoExtension}.debug.out -g"
        }
    ]
}