In mathematics you don't understand things, you just get used to them.

标签 data structures 下的文章

DescriptionLink.给出一个数列,要求将其分成几段,使每段的和非严格递增,求最小的每段的和的平方和。Solution注意到 $a_{i}$ 为正,对于正数有这样的结论:$$ a^{2...