Lucky numbers programming interview question

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This video explains the code and trick behind how to find if a given number "n" is lucky or not. This question has come several times in microsoft interviews and this can even repeat in other company interviews. I would highly suggest to practice this question. The code link is given below. If you find any difficulty or have any query then do COMMENT below. PLEASE help our channel by SUBSCRIBING and LIKE our video if you found it helpful...CYA :)

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Комментарии
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Sir excellent .... Lots of love with you♥️

bikramdas
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How u were able to get this exp np=np -np/counter ?

honeykaul
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Dude!! perfect explanation, thank you!

SHRUGX_YT
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Thanks for it. But in GeeksforGeeks compiler, this code wasn't working. The main point there was to re initialize counter=2 while returning true or false, from the function.

rishavsaha
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What is the time complexity of this problem? Why you didn't spoke about the time complexity? I did the same code using while loop. O(logn) time and 0(1) space complexity. Why you didn't use this approach?

sakthim
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sir ye counter globally declared hona chaiye na.

__VishalSharma
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This code fails for 16649.
The O/P generated from your code is 1 while correct O/P is 0.

rajattalnikar
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