Confused in lower bound

#1

sir why it is giving 120 in lower bound when we searched for key = 45. while 120 is address of key 50?..

#2

hi @uditmudgal07_2f40cca755bd8bd2 lower bound gives address of element equal to or greater than that element as 45 is not present so it gives address of element greater than 45

#3

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