Coding Interview Tutorial 66: String to Integer [LeetCode]

Learn how to convert a string to an integer in O(n) time, where n is the length of the string.

This is an important programming interview question, and we use the LeetCode platform to solve this problem.

[abdoulbarry]

We all hate lengthy solution this is why this one is awesome. Clear and concise easy to follow

[sureshgarine]

wow! this is a simple and clean solution. keep doing the good work. Thank you so much.

[lifehacks]

u r amazing continue your work really awsome

[mathiasstocker]

Quite good solution. But you only ignore single space - what about other whitespace characters (e.g. tab)?

[abdullahalnoman]

in horner's rule why we subtract 0. str.charAt(i++) - '0'

[getmoonez]

Good solution though I think using a long is kind of cheating if you want to respect the second point in the "Notes" : "Assume we are dealing with an environment which could only store integers within the 32-bit signed integer range [...]".

[lifehacks]

i think if u will upload vedios on topic explaination then it will help u to increase subscriber

[thndesmondsaid]

Thanks for the video! In like 14 why do you subtract '0' from str.charAt(i)?

[biswamohandwari]

Man who are you a genius or a super genius in programming

[himanshunahak]

dude using long makes it too convenient and i think that's not the point