Grid paths 

This is some next level explanation. I am just loving all his videos. I wish my college teacher could teach like this. Such proper sequential explanation never seen before. Love you sir.

I see a pascal triangle when doing diagonally

Your vidios are really helpfull , plz upload more vidios

Vera level Madhavan Sir

This was great explanation thank you for that but post writing code for same i observed answer should be 1358. btw that doesnt matter if we are learning new. So Subscribed :)

At 16:25, How come 215 + 272 equals 492 and not 487?