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使用中科大的ubuntu18.04 LTS源

deb https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
deb https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
deb-src https://mirrors.ustc.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse

sudo apt install gcc
sudo apt install g++
sudo apt install gdb

我们不妨先写一个helloworld.cpp,然后启动调试
启动调试
选择调试器
选择调速器版本
我安装了多个g++版本这里我选择g++,vscode会在当前目录生成.vscode目录和launch.json
launch.json
再次启动helloworld.cpp的调试
有错误
点击配置任务
ig++
选择刚刚选择的调试器版本,再次自动生成文件task.json
image.png