compiler en c code example

Example 1: compile with gcc

#Copy and paste this line in your terminal to compile your file with gcc
gcc -Wall filename.c -o filename
#To execute the file
./filename

I Personally Like 
https://www.programiz.com/c-programming/online-compiler/

You can try https://www.onlinegdb.com/ this as well, works really well for me.
You can also save code there.

i reccomend online gdb https://www.onlinegdb.com/online_c_compiler

replit.com is your best shot tbh