Is editing memory with C++ safe?

Is writing a program to edit values of memory addresses and compiling it relatively safe - as long as i'm the only one using it? Or does vac detect it instantly? How do I know exactly how vac works so I don't get caught?

I read that it checks for hacks by searching for md5 hashes and comparing it against a database with md5 hashes of known hacks.

Also is using cheat engine just to search for values safe? Only in offline mode/custom games?

LOL

NOTHING is safe when you Editing the memory, the only safe way is only read memory,

and its impossible to make an "safe memory editing"

None of the above.

You should never edit anything in the .text section of a program or VAC will rekt you with those checksums.
If at all possible, edit the .data section which should be relatively safe.

Don't hook random APIs especially those of kernel32/user32/ntdll

What you can do it you read the adresses maybe from the entitys make a if script with a mouse event like if crosshair adress on enemy entity do mouseclickleft this is undetecable