Binary Search is a technique used to search element in a sorted list. In this article, we will looking at library functions to do Binary Search.
Finding first occurrence of an element.
bisect.bisect_left(a, x, lo=0, hi=len(a)) : Returns leftmost insertion point of x in a sorted list. Last two parameters are optional, they are used to search in sublist.
First occurrence of 4 is present at 2
Finding greatest value smaller than x.
Largest value smaller than 7 is at index 3
Finding rightmost occurrence
bisect.bisect_right(a, x, lo=0, hi=len(a)) Returns rightmost insertion point of x in a sorted list a. Last two parameters are optional, they are used to search in sublist.
Last occurrence of 4 is present at 3
Please refer Binary Search for writing your own Binary Search code.
Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course.
In case you wish to attend live classes with industry experts, please refer Geeks Classes Live