1:更新yum
yum update
2:安装gcc
yum install gcc
3:安装c++依赖库
yum install gcc-c++ libstdc+±devel
4:安装c++
yum install gcc-c++ libstdc+±devel

1:更新yum
yum update
2:安装gcc
yum install gcc
3:安装c++依赖库
yum install gcc-c++ libstdc+±devel
4:安装c++
yum install gcc-c++ libstdc+±devel