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DE Shaw Interview Questions


Coding round questions

  • Replace all the spaces in a string with ‘%20’.
  • Find Excel column name from a given column number. Eg. 1 = A, 26 = Z, 27 = AA, 52 = AZ etc.
  • Find inorder successor of a node in a binary search tree with parent pointer.

Technical Interview Questions
Data Structures and Algorithms


DBMS
  • Describe deadlock and conditions necessary for it to occur.
  • What is mutual exclusion and why is it required? How to acheive mutual exclusion?

Operating System
Miscellaneous