Hello, I want to start competitive programming seriously. Now I need a direct list of problems or suggestions from you about which problems should I solve to become at least nutella(3000+ rating) in codeforces. I can solve only A in div4 contests usually. Please help me.
No.
69 days is not enough for 420 problems, you should consider bigger period, like 228 days.
Ass a 100% legit(no SMS, free) red codir I will gaid you sirr. You shud gibb LeetCode Biweekly Contests sir. They are much gud to u're skill. Jtz reccomendid too do Al the koshans from LeetCode not onl BiWeekly but zeey be best koshans LeetCode haz.
Iff my amaazin tips help you mike syre to support me finnancialli your can DM me for detals
huh !
Maybe a doctor could help you.