Generate Parentheses | Leetcode 22 | Live coding session

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Here is the solution to "Generate Parentheses" leetcode question. Hope you have a great time going through it.

Chapters
1) 0:00 Explaining the problem out loud
2) 1:10 Question walkthrough
3) 2:00 Naive approach
4) 4:00 Optimized approach
5) 8:00 Coding it up

For discussion/feedback

PS : Please increase the speed to 1.25X
  1. Coding Decoded
  2. leetcode
  3. codingdecoded
  4. algo
  5. datastructures
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Комментарии
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Can anyone explain the Time Complexity of the second solution??

dhruvdhiman
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Hi Sensei
I understood if I use direct recursion and check every possibility ... It will give 2^2N *k
I wrote this method only .. somehow it get passed but was very slow... Ur method is far better ...

I can see by ur method we saved so many recursion steps ..
But can u plz also explain how to calculate the Time complexity of this approach ... Thanks in advance 😄

mayankverma
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Why two semi colons in line 24 And 29??

exploringworld
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Hey can you explain why you deleted last character from string?

shivaligakhar
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Why did you pass list argument. Even without passing it we declare as global variable it's gonna wrk right?

rameshtamilselvan
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