如何安装g ++编译器?
我尝试了以下方法: sudo apt-get install build-essential Reading package lists... Done Building dependency tree Reading state information... Done build-essential is already the newest version. 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. 但是当我编译时,终端显示以下内容: g++ hello.cpp -o hello The program 'g++' can be found in the following packages: * …