ServiceNow Associate Software Engineer interview questions

There were 4 rounds Round 1- Data Structures and Algorithm (questions on array, trees, do), DBMS and OS Round 2- OOPs concepts, A couple of coding questions and brief discussion about what sets ServiceNow apart, the values and work environment and how those align with mine Round 3&4- six to seven coding questions were asked involving DS Algo using concepts of Linked list, Trees, bit-manipulation, DP and Trees.