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等差数列 | Blankj #131

Open Blankj opened 6 years ago

Blankj commented 6 years ago

http://blankj.com/2015/03/22/arithmetic-progression/

题目描述给定n(1<=n<=400)个数,从中找出尽可能多的数使得他们能够组成一个等差数列.求最长的等差数列的长度.