Problem in upper_bound c++ stl

general
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21

you should login to see that code.

anyway here is the code

22

Exactly! The complete code gives a full picture. Without it, there is always an uncertainity of " are we even looking in right direction?"

23

Hackerrank solutions are usually privateā€¦

24

canā€™t post the entire code as it is from ongoing contest.
btw it was because of garbage value and not problem of upper_bound.