Difference Array | Range update in O(1)

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This video explains the difference array data structure which is used for range update in an array in constant time O(1). The difference array uses the technique of building gradient array and making exactly 2 changes per query in constant time in an array. A practice problem for this is range addition from leetcode 370.

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Комментарии
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This video helped me so much to understand the solutions for Leetcode 1109 Corporate Flight Bookings.
Big thanks to Techdose!

eugeneyap
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Don't know whether you will watch it or not? But, again @techDose, just letting you know, again that's stuff you have done, is GOD's own work, thank you for from bottom of my heart, thanks!!!

coding
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Thanks for this, just came here after completing, TUF !!!

coding
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Can you please make a video on prolog trees as well I got a final in 2 days thanks

shahmir
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Sir Aap Konsa WhiteBoard Software use karte ho Likhke Samjhane ke liye?

harsshp
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How's this different from Line Sweep Algorithm?

phoenix__
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Tried to approach you on whatsapp but no response

amboojmittal