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第一次贪心法做出来一题！~~ 庆祝一下！~~（提供思路，希望对大家有用！）每次加递增序列里的最大数！ 减去递减数列里的最小数！~~ 例如：7 (2 1) (8) (4 3) (5 6) 原数列应该划分如左形式： 那么:+7 -1 +8 -3 +6 = 17 需要提示的是: 最后一个数一定是"+". Followed by: Post your reply here: |
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