小P的单调数列
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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
You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.
4
1 2 5 4
8.000
6
3 1 7 2 6 5
10.500
