1. Interview with recruiter. I was asked basic questions about my job expectations and three easy technical questions, which was unexpected. Later, I was told this was intentional and meant to be a surprise.

2. Three algorithmic interviews, practically the same. I was asked one easy and one medium coding question. On the third interview, I tackled the medium question fairly quickly, so they gave me another medium one.

3. Final interviews with teams that were interested in my application. I was considered by three teams and chose one of them. I heard that there's also an option to work in each team for a couple of weeks to get hands-on experience and decide after that. I wasn't offered that.

4. Final "interview" with the recruiter when they present an offer.

My position wasn't senior enough to have an architectural section, but it is a thing.

You have two arrays, X and Y. You need to find the minimal value of abs(X[i] - Y[j]). You can modify the arrays in place.