Covid Run | Codechef Long Challenge 2020 | CODECHEF

question link : https://www.codechef.com/OCT20B/problems/CVDRUN code link : https://pastebin.com/SLNGg7Be Telegram channel link : https://t.me/joinchat/QJnEnRxO5seEcniywdbS3w Instagram link : https://www.instagram.com/code_explainer/?hl=en