Topics to be studied

general
1

I am able to solve first 2 questions in div 4. What are the topics that will be required to solve C,D of Div4 to reach 2 star?

2

Do Binary Search on Answer from Vivek Gupta. He has taught it beautifully

3

and how many questions to be solved in contest to reach 2 star?

4

3 questions Fast and you will easily reach 2 star

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5

thanks

6

There’s a curated practice list: Level up from 1* to 2*

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