Microsoft Hiring Event Virtual Onsite Round- Redmond

1st Round- Rotate 3 by 3 matrix by 180 degrees. Follow up : How will you modify it for N*N matrix. How will you test it ?

2nd Round- Find the average time of last 100 requests to your api. The requests are in order. For example : 1st request takes 1 second, 2nd request takes 2 seconds and so on.

3rd Round- Convert Strings to their numerical value without using any in-built functionality. For Example- Input String:"1234" Output:1234. Follow up question- How will you handle the following cases: " 1234", "-1234", "+1234"

4th Round- Given a weighted Graph find the shortest path between two vertices.