Ezzat and Two Subsequences
题目描述
输入格式
As shown in the PDF
输出格式
As shown in the PDF
样例
4
3
3 1 2
3
-7 -6 -6
3
2 2 2
4
17 3 5 -3
4.500000000
-12.500000000
4.000000000
18.666666667
提示
来自 Codeforces by 杨鑫
As shown in the PDF
As shown in the PDF
4
3
3 1 2
3
-7 -6 -6
3
2 2 2
4
17 3 5 -3
4.500000000
-12.500000000
4.000000000
18.666666667
来自 Codeforces by 杨鑫