Update README.md

Author: SravanthiSinha

0x01-big-0-binary-search/README.md

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 # 0x01. C - Big O & binary search
+
+
+The project aims at to understand:
+* What is the Big O notation, and how to evaluate the time and space complexity of an algorithm
+* What is a search algorithm
+* What is a linear search
+* What is a binary search
+
+
+# Useful Links:
+
+http://stackoverflow.com/questions/487258/what-is-a-plain-english-explanation-of-big-o-notation
+
+http://www.geeksforgeeks.org/g-fact-86/
+
+https://en.wikipedia.org/wiki/Binary_search_algorithm
+
+https://en.wikipedia.org/wiki/Linear_search
+
+https://en.wikipedia.org/wiki/Search_algorithm
+
+http://btechsmartclass.com/DS/U1_T3.html