Function to find kth missing number
def missingK ( arr , k ) : NEW_LINE INDENT n = len ( arr ) NEW_LINE l = 0 NEW_LINE u = n - 1 NEW_LINE mid = 0 NEW_LINE while ( l <= u ) : NEW_LINE INDENT mid = ( l + u ) // 2 ; NEW_LINE numbers_less_than_mid = arr [ mid ] - ( mid + 1 ) ; NEW_LINE DEDENT DEDENT