作者LPH66 (かつて交わした约束)
看板puzzle
标题[中译] Puzzleup 2017 (15) 10-Digit Number
时间Thu Nov 16 10:59:12 2017
题目网址:
http://www.puzzleup.com/2017/
http://www.puzzleup.com/2017/puzzle/?15
答题时限: 11月16日７ＰＭ－比赛结束（约12月27日）
加分时限: 11月16日７ＰＭ－11月21日６：５９ＰＭ
答对可得基本分１００分。答案可上传５次，每改１次答案从基本分扣２０分。
比赛期间内可随时上传答案，加分时限内答对第ｎ天加（６－ｎ）分
另依题目的难易有额外加分（如有８０％的人这题答错，答对者加８０分）
◆10-DIGIT NUMBER
A 10-digit number has distinct digits. Using all of its digits, two new
numbers are created. The sum of these two numbers is 99999 and their
multiplication is the same 10-digit number. Find this 10-digit number.
一个十位数的各位数都不同。使用这些数字形成两个新数。
这两个数的和是 99999，其积则是原来的十位数。
求此十位数。
--
'You've sort of made up for it tonight,' said Harry. 'Getting the
sword. Finishing the Horcrux. Saving my life.'
'That makes me sound a lot cooler then I was,' Ron mumbled.
'Stuff like that always sounds cooler then it really was,' said
Harry. 'I've been trying to tell you that for years.'
-- Harry Potter and the Deathly Hollows, P.308
--
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※ 编辑: LPH66 (140.112.30.32), 11/16/2017 11:12:09
1F：→ buffalobill: program up时间又到了 11/16 12:07
2F：推 weselyong: 从没(不用电脑)解开过Orz 11/24 00:54
3F：推 CaTom: 手解我只能解到1,4,7三个数字是同一组而已... 11/24 15:52