#947. 小P的单调数列
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ID: 947
Type: Default
1000ms
256MiB
Tried: 19
Accepted: 6
Difficulty: 8
Uploaded By:
zhouyou
小P的单调数列
输入样例1
4
1 2 5 4
输出样例1
8.000
输入样例2
6
3 1 7 2 6 5
输出样例2
10.500
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