so when i opened todays contestt at the start it showed no register bottom ( even the time for extra registration wasn't end and i registered earlier yesterday) and after a couple of minutes the register botton showed up again any one know what happened? https://postimg.cc/xJQHJC6s ps : btw, the same thing is happenning with div3 round 828 its show no registerationg botton ps : sorry i think this was my mistake there is no problem or strange thing

can we have a thanks button to thanking anyone instead of writing comments? why would be this useful? because sometimes i write alot of comments and can't thank people who helped me due to comment limitations

so i have a question, what do you think the difference between high and low rated users strategy, thinking and ideas (if there any) regardless making alts and writing stupid questions? how does this mindset prevent/boost user rating?

hey every one i see alot of problems that its solutions (in editorials) depends on making an assumption then it follow it untill it reach to the solution this is very counter intutive to me what can i do to be able to be better in this kind of thinking?

sorry if this question don't make any sense for most people ( downvote and continue your day :), but if this question make sense to anyone please tell me, in my country most college training includes 2 levels of cp but in my college their only one level avaiabe for losers like me and the topics are someway very easy like loops and conditions maybe some basic algorithms like binary search and some stls the question is what is in level 2, i don't ask what can i learn next but i ask if there is a list or maybe public group for level 2 so i can train in a systematic way.

when do you realize its enough for competitive programming? what signs?

If you are comfortable with dynamic programming, especially the bottom up approach, can you share what was your way of learning and practice, I know there are a lot of advices out there, however i think its good to have efficient answers instead of random answers, thanks in advance.

do i need a premission /license to use others templates/prewritten codes if so what is a good and free templates could i find.

hi i am learning dynamic programming and i wonder what are the cases when i can use unordered_map to store results without fear from TLE ? what is time complexity for inserting and finding out if the result stored or not ? i have searched and find many answers but it was complicated for me because i am totally beginner.