LeetCode Tutorial 387. First Unique Character in a String

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GoodTecher LeetCode Tutorial 387. First Unique Character in a String

LeetCode Tutorial by GoodTecher. The tutorial provides a step-by-step demonstration on how to solve coding problems.

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Thanks for the video it was very useful!

XxMegaHeroxX

You are the best teacher I have ever found... I request you to come up with more videos that would help thousands of people..God bless you, brother!

rakshith

We can try like
for( int i=0;i<s.length();i++){
If(s.indexOf(s.charAt(i)) == s.LastIndexOf(s.charAt(i))){
return i:
}
}
return -1

PShyamSundar

Keep doing it bro.. We all appreciate it.

shabbirsaifee

Could you also explain with regards to time complexity? and which will be an efficient way to do it? what if the string has more than 100?

sdkdeepa

Hi GoodTecher,
Thank you for your clear explanation in your LeetCode tutorials.
Keep up the good work.
I would be most grateful if you could explain LeetCode 451. Sort Characters By Frequency.
Regards
Ade

aades

why are we subtracting 'a'? what does it mean?

rakeshramesh

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