Answer:
Can't run the program, Can't see syntax error
Explanation:
If you are doing programming without IDE you can see 2 major problems. They are:
1: Can't run it: If you do not have any IDE and doing programming you will able be able to run it. Means you can't see its output.
2: Can't see syntax error: If you do programming without any IDE you can't see its errors. I mean you will not be able to see that where you have made errors.
According to me, these are the 2 major problems you will face when you do programming without any IDE.