Educational Codeforces Round 69 (Rated for Div. 2) A B C D

Educational Codeforces Round 69 (Rated for Div. 2)

A

  B

数组必须先增后减,或者单调递增,单调递减

  C 

要使数组分成k份,必须选择k-1个间隔,间隔差值越大,最后的每个区间max-min的和越小

  D

  

posted @   Pikachu_Yj  阅读(222)  评论(0编辑  收藏  举报
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