Why I can't solve problems with rates like 1500 and more by myself like how :I can understand the problem after someone reads it or I can't code it There is something that I forget when I start to code. So these kinds of problems I need to solve and I can't solve them 100% by myself I can solve them like 70 30 or 60 40 what i need to do or what content i've to watch
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practice
Sorry, but this problems is common, i solution i can find is solving problems, with the practice you can able to solve more difficult problems, try 1200-1400 and some 1500 problems :p