Codeforces Round-691 ( Problem C. Row GCD )

Telegram : https://t.me/aryan_mittal_club https://t.me/aryan_mittal_group Dynamic Programming Playlist : https://www.youtube.com/watch?v=ucgtJTOkFdc&list=PLEL7R4Pm6EmD8pYyhvTcdF7qf-EFl3IWz Mathematics for CP Playlist : https://www.youtube.com/playlist?list=PLEL7R4Pm6EmBEXk2265gEyyVpR3vxUbk5 Bit Manipulation Playlist : https://www.youtube.com/playlist?list=PLEL7R4Pm6EmCLLeXClTK9TalPIrfE7XIe ******************** CONTEST VIDEO EDITORIAL **************** ----- Codechef Playlist ----- https://www.youtube.com/playlist?list=PLEL7R4Pm6EmBb7WarQYbzrIHzYXcI3Lfr ----- Problem A Ladder ----- https://www.youtube.com/playlist?list=PLEL7R4Pm6EmArl_hzDzQ7zHZRaiPLYTU0 ----- Problem B Ladder ----- https://www.youtube.com/playlist?list=PLEL7R4Pm6EmDIdbLwmv0WGufLtNd58GOS ------ Problem C Ladder ------ https://www.youtube.com/playlist?list=PLEL7R4Pm6EmC88miJ7pIKdlDgDzEkwwTT ----- Problem D Ladder ----- https://www.youtube.com/playlist?list=PLEL7R4Pm6EmAi60fJaQ7eCdXfpaOQz5oG