#!/usr/bin/env?python
#?coding=utf-8


def?search_k（al?ar?bl?br?k）:
????am?=?（al?+?ar）?/?2
????bm?=?（bl?+?br）?/?2
????if?al?>?ar:
????????return?numsb[bl?+?k?-?1]
????if?bl?>?br:
????????return?numsa[al?+?k?-?1]
????if?numsa[am]?<=?numsb[bm]:
????????if?k?<=?（am?-?al）?+?（bm?-?bl）?+?1:
????????????return?search_k（al?ar?bl?bm?-?1?k）
????????else:
????????????return?search_k（am?+?1?ar?bl?br?k?-?（am?-?al）?-?1）
????else:
????????if?（k?<=?（am?-?al）?+?（bm?-?bl）?+?1）:
????????????return?search_k（al?am?-?1?bl?br?k）
????????else:
????????????return?search_k（al?ar?bm?+?1?br?k?-?（bm?-?bl）?-?1）
????return?-1


def?main（）:
????k?=?int（raw_input（‘Input?K:?‘））
????n?=?search_k（0?len（numsa）?-?1?0?len（numsb）?-?1?len（numsa）?+?len（numsb）?+?1?-?k）
????print?n

if?__name__?==?‘__main__‘:
????numsa?=?[0?3?6?7?11?16?23]
????numsb?=?[1?5?10?15?19?26?28]
????main（）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-05-06?14:16??homework\
?????文件?????????888??2016-03-29?09:30??homework\divide_conquer.py
?????文件????????1277??2016-03-29?11:37??homework\merge_select.py
?????文件???????15872??2016-03-28?16:39??homework\practice?1.doc
?????文件????????1863??2016-03-29?11:18??homework\priority_queue.py
?????文件?????????335??2016-03-29?11:38??homework\quick_sort.py