Meta Senior Software Engineer interview questions

Asked to introduce yourself for 5 min and started coding question. The question about string manipulation and find the subsets of target string inside main string. The question about string manipulation and find the subsets of target string inside main string.

I got an online assessment with two questions, followed by a first-round interview on Coderpad and Bluejeans video conference. The interview was 45 minutes. There will be a second-round if things go well.