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Hello guys, This is my first Video Tutorial. I have made tutorial on 'C-question', Div-2 , Round 439.
This question uses simple Combinatorics(Maths). Hope you find is useful. If anyone who has doubts, feel free to ask in comments. Looking forward to make more video tutorials in future! Cya!
Thanks to gkcs for his help and support.
Definitely you are contributing to community in a great way. Please make a video which explains the dp problem 2B 'The least round way' on Codeforces.
sure, :) .
Hope to complete #439 E soon :-)