Python Technical Interviews Part II

SJU ACM STUDENT CHAPTER

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Why Study for technical Interviews?

What language should you use?

Python vs Java For loop Syntax

Python

Java

Efficiency : o(n)

Python vs Java Hashmap/Dictionary Syntax

Python

Java

Efficiency : o(1)

Or

How do you Get started?

Big O Efficiency

In Big O, there are six major types of complexities (time and space):

• Constant: O(1)
• Logarithmic time: O(log n)
• Linear time: O(n)
• Quadratic time: O(n^2)
• Exponential time: O(2^n)
• Factorial time: O(n!)

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Neetcode.io

bit.ly/sjupython

Python Cheat Sheet

Valuable problems for interviews

Simple Two Pointers: 2 Sum Sorted:

https://leetcode.com/problems/two-sum-ii-input-array-is-sorted/description/

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Medium Two Pointers: Container With most Water:

https://leetcode.com/problems/container-with-most-water/description/

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Simple Sliding Windows: best time to buy and sell stock:

https://leetcode.com/problems/best-time-to-buy-and-sell-stock/description/

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Medium SLiding Windows: Permutation in String

https://leetcode.com/problems/permutation-in-string/

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Thank you!