Visa Inc. Software Developer - Internship interview questions

Was given 2 Hackerrank questions, 1 leetcode easy 1 medium level to be completed in 90 minutes. Second question requires most efficient code to pass all test cases. First question was simple coding and no optimization is required to pass the test cases.

I applied on my school's career website. A few days later I was invited for an on-campus interview with one of the recruiters. The lady was very nice and we had a nice talk after. I was sent a coding challenge three days later and completed all but one test case. I provided an explanation for what could've went wrong. Later, I got an email about making it to the final round. A different person interviewed me, but I did not know that my original interviewer was listening in the background. Always be consistent!