Domanda di colloquio di Microsoft

*1st round* Only 1 DSA question was asked. Nothing else. https://leetcode.com/problems/valid-parentheses/ *2nd round* Only 1 DSA question asked. Nothing else. Practical data was given, a graph consisting data of bandwidth per minute for 1day. Need to take input using the appropriate data structure and then find out the hour with the maximum number of peaks.