Codeforces Round 645 (Div 2) , Problem C. Celex Update
CODE : https://ideone.com/O6gkJj
**************************************************************
Codeforces Question Playlist : https://www.youtube.com/playlist?list=PLEL7R4Pm6EmDaWkjw7M2x9qFstCHoC6jC
Graph Theory Playlist : https://www.youtube.com/playlist?list=PLEL7R4Pm6EmDHmdh9G2pYoEEMSfK_Sjir
Codechef Playlist : https://www.youtube.com/playlist?list=PLEL7R4Pm6EmBb7WarQYbzrIHzYXcI3Lfr&pbjreload=10
AtCoder Playlist : https://www.youtube.com/playlist?list=PLEL7R4Pm6EmCDy9GPzZXHR6-FabjuIyjc
