My Bachelors of Data Science has no classes for Statistics, Calculus, Data Structures and Algorithms and Big 0 notation. What do I do?

As the title says my University has no classes on Statistics, DSA or anything about Big O notation. I feel like these are really important especially for interviews and work. Also the lack of proper math is rather concerning. We are learning lots of actually useful stuff for a job so its not all bad but what's the point of being able to do a job if you cant even get past the interview process. For example we are learning …

algorithms big calculus data data science datascience dsa interviews math notation science statistics university work