Feeling Like My Plans Are Falling Apart - Need Some Advice, Please

Assalamu Alaikum. So I sat my A-levels this summer and Alhamdulillah the overall results were good. I was surprised to get a B in Comp Sci though, since I’ve never gotten a B in big exams and I usually do very well. I’ll admit I didn’t put as much effort into that subject compared to the others where I got A* and A. My two A*s and one A made me content overall, Alhamdulillah. Fast forward to university offers: I didn’t get into my first-choice university for the computer science course I really wanted, but I did receive an offer from that same dream university for a different program. What’s been hard is seeing friends who were not as strong academically get accepted onto the exact comp sci course I wanted. That stings a lot. I prayed to Allah for that program and asked Him to make what’s good for me easy and what’s bad hard, so I keep wondering if this is a sign that computer science isn’t meant for me. I’ve wanted to pursue computer science engineering since 2018/2019, so it’s been my plan for years and it’s tough to let go. I believe Allah’s plan is best, but I still feel really down and confused. Does anyone have advice on how to cope with this feeling and move forward? Any practical steps, dua, or reminders that helped you when something you’d worked for didn’t go as planned would mean a lot. JazakAllah khair.