Application process

Good evening so I passed the officers entrance exam and they gave me the background questionnaire to fill out which was like 30 pages. Part of it is my job history, but I’m only 20 years old. I don’t remember every job I’ve had because I jumped around jobs from the time I was 16 to about 18 because I didn’t know what I was doing and where I wanted to be. I want to be a cop. I want to protect and serve quote unquote but I’m afraid that will hold me back. I have NO record criminally. Just a lot of jobs in my past. Will it hold me back?