Substring Removal Game || Educational Codeforces Round 93 || CODEFORCES

question link : https://codeforces.com/contest/1398/problem/B code link : https://pastebin.com/LzCT1en1 Telegram channel link : https://t.me/joinchat/QJnEnRxO5seEcniywdbS3w Instagram link : https://www.instagram.com/code_explainer/?hl=en