This is me Vikas Kumar Jha(Jumbo).
I have tried to make video solution for Nov’19 LunchTime problem Washing Windows(APARTS). I hope, it help people to understand the problem and my approach for the same.
Problem Link : https://www.codechef.com/LTIME78A/problems/APARTS/
Prerequisites : Little Observation.
Video Editorial Link : https://www.youtube.com/watch?v=xK-nzvrOsGw&t=300s
My Solution Link : https://www.codechef.com/viewsolution/28014367
If you like my teaching method, then you can suggest me more topics which you feel hard. I will try to make cakewalk for you.
Feedbacks are most welcome.
Thanks for reading.