In Codeforces all problems are unwanted difficulty its like first solving a unwanted puzzle then code but in leetcode they say you directly and thats the hardness see this problem : https://leetcode.com/problems/search-in-rotated-sorted-array/description/ they told you that to do but still its difficult to solve do kodefoorses has question like this ??? is there any similar question like this in codeforces???? the only thing u guys can do is to dislike cant answer my question logically still u guys will say something wanna be sigma rubish thing wont able to answer my question