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A13554. The Best Vacation

编程题 普及/提高-

题目描述

由于本场题面违反互联网相关法律,不予展示原题面。

输入格式

无

输出格式

无

输入输出样例

输入 #1
3 2
1 3 1
输出 #1
5
输入 #2
3 6
3 3 3
输出 #2
12
输入 #3
5 6
4 2 3 1 3
输出 #3
15

说明/提示

In the first test case, the numbers of the days in a year are (indices of days in a corresponding month) $\{1,1,2,3,1\}$ . Coronavirus-chan will hug you the most if you come on the third day of the year: $2+3=5$ hugs.

In the second test case, the numbers of the days are $\{1,2,3,1,2,3,1,2,3\}$ . You will get the most hugs if you arrive on the third day of the year: $3+1+2+3+1+2=12$ hugs.

In the third test case, the numbers of the days are $\{1,2,3,4,1,2, 1,2,3, 1, 1,2,3\}$ . You will get the most hugs if you come on the twelfth day of the year: your friend will hug you $2+3+1+2+3+4=15$ times.
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