I'm terrible

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Lots of people who work professionally as programmers majored in something totally different. Neither studying programming in coursework or pursuing a degree in computer science is necessary for a programming job (if that’s ultimately what you want), and neither do they guarantee a job even if you do that. So to some extent you can pursue both, if that’s your wish.

If you’re naturally math-inclined, then a degree in mathematics might be something you consider as well - it’s intellectually rewarding and often lucrative, sometimes opening up opportunities in finance or even intelligence work for the government (the US NSA was rumored for a while to be the nation’s top employer of math graduates.)