Zig Zag Array (spiral order array)

Zig Zag array is an array in which every element is less than and greater than the next element alternatively. Every element is either greater than or less than its neighbours.

[@highschool017]

Vivekanand Ji, u r an extraordinary teacher like your name !! Such simple n clear videos !! Thanx a lot for devoting your precious time for ppl like us !!

[@sahilarora1794]

Thanks for Clear explanation! But there are two things which i feel is miswritten or wrongly spoken. 1- it should be a[i] > a[i+1] or less not i< i+1. We need to consider elements not indexes. 2- You talk about flipflop, flipflop never always toggles like this, they are just bistable multi vibrator, it should be instead a T Flipflop which is always given an input of 1. Anyway thnks for this video!!

[@ganeshjaggineni4097]

NICE SUPER EXCELLENT MOTIVATED

[@jagginadivya3680]

The way u teaches is nyc

[@ayushbhardwaj3296]

Thanks alot for your videos .

[@vishalmahavratayajula9658]

Very well explained. Keep it up

[@Thepankaz1]

starts at 3:08

[@tulu1688]

Hi, what is the difference between "zig zag" array and "wave form" array?

[@gurpreetsodi3948]

nyc algo...keep it up bro

[@gyanprakash7680]

nice sir its too good !

[@ArjunKalidas]

Thank you very much for this video Vivekanand. Can you please post a video explaining the problem "find longest non-repeating subsequence in a string"? Thank you in advance.

[@srinithib5764]

Thank you so much sir

[@abhrakar3967]

Very good, Sir.

[@JohnWick-zc5li]

very awasome-- pls code as well how about 2=2?

[@deepakbhargav7434]

Thank you

[@karankhanna9643]

Why zig zag array is important

[@yashpreetbathla4653]

Thank you sir :)

[@deepakbhargav7434]

What is O(n)

[@sarvodaykumar2723]

Sort the array and swap a[i+1] = a[i+2] will this solve this problem

[@sandeepvedavyas8701]

sorting takes o(nlogn) but this algorithm takes o(n)

[@ibrahimshaikh3642]

Nice

[@ruchirsingh3635]

and also make a video on fenwik tree or index binary tree

[@tejaswiniravva795]

Why u shouldn't provide the whole code With execution..??.. Explanation is gud but people need code for better understanding..

[@ruchirsingh3635]

sir make a video on segment tree

[@kajalkansal2799]

Need video on longest oscillating subsequence

[@karan6551]

❤️❤️❤️❤️❤️

[@SansaniKhabarlive]

code bata do kisi ke paas ho to please

[@xof8256]

Thank You