How to install GCC without yum on CentOS 7?

Is there a real way to install gcc without yum on CentOS 7? On my system yum doesn't work: yum update -bash: /usr/bin/yum: /usr/bin/python2.7: bad interpreter: No such file or directory And when I want to install python2.7 it needs GCC that I don't know where it is on my system? which gcc /usr/bin/which: no gcc in (/root/anaconda2/bin:/root/anaconda3/bin:/root/anaconda3/condabin:/usr/local/bin:/usr/local/bin:/usr/local/bin:/root/anaconda3/bin:/root/anaconda3/condabin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin:/root/bin) And when I search how to install GCC without yum, most of them need yum! Is there really a way to solve this problem?