InterviewBit Problems   Anti Diagonals : Solved

Simple O(n^2) Python Code (1)
Python Code Using Dictionaries (1)
Getting Segmentation Fault dont know why (1)
Python solution of the problem (1)
Complexity of the problem is O(N^2) (2)
Easy and simple approch (1)
A shorter and cleaner code (2)
Solution Approach seems to be irrelevant or from another questions. Please correct it (1)