Upper bound doubt

#1

hi,
please explain working of upper_ bound() function again.

#2

upper_bound() is a standard library function in C++ defined in the header . It returns an iterator pointing to the first element in the range [first, last) that is greater than value, or last if no such element is found. The elements in the range shall already be sorted or at least partitioned with respect to val

for more details you can read at http://www.cplusplus.com/reference/algorithm/upper_bound/

#3

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