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1 年
069_children-order.md
现在有一队小朋友,他们高矮不同,我们以正整数数组表示这一队小朋友的身高,如数组[5,3,1,2,3]。 我们现在希望小朋友排队,以高、矮、高、矮顺序排列,每一个高位置的小朋友要比相邻的位置高或者相等;每一个矮位置的小朋友要比相邻的位置矮或者相等 ...
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