nlrte13 发表于 2009-9-3 10:10:07

puzzleup 9.02

subject: Arithmetic Mean of the Neighbors

What is the greatest number in which all the digits, except the first and the last digits, are larger than the arithmetic mean of its neighbors? (A neighbor of a digit is the digits to the immediate left and right of that digit)

题目没看懂 - -#

wayne 发表于 2009-9-3 11:33:51

998
9986
99863
899863
6899863
36899863

〇〇 发表于 2009-9-3 15:39:22

除了第一个数字和最后一个数字，中间的字比前后邻居的均值更大

wayne 发表于 2009-9-10 16:19:52

36899863是最大的吧，
怎么没人给答案

nlrte13 发表于 2009-9-10 16:35:46

36899863是正确答案

wayne 发表于 2009-9-10 19:23:40

5# nlrte13


呵呵,谢谢,题目虽简单,不过对于我来说,还是很有成就感的...

xjznmd 发表于 2009-9-26 11:19:12

正确答案：36899863
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