CF1199A.City Day
普及/提高-
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题目描述
For years, the Day of city N was held in the most rainy day of summer. New mayor decided to break this tradition and select a not-so-rainy day for the celebration. The mayor knows the weather forecast for the n days of summer. On the i -th day, ai millimeters of rain will fall. All values ai are distinct.
The mayor knows that citizens will watch the weather x days before the celebration and y days after. Because of that, he says that a day d is not-so-rainy if ad is smaller than rain amounts at each of x days before day d and and each of y days after day d . In other words, ad<aj should hold for all d−x≤j<d and d<j≤d+y . Citizens only watch the weather during summer, so we only consider such j that 1≤j≤n .
Help mayor find the earliest not-so-rainy day of summer.
输入格式
The first line contains three integers n , x and y ( 1≤n≤100000 , 0≤x,y≤7 ) — the number of days in summer, the number of days citizens watch the weather before the celebration and the number of days they do that after.
The second line contains n distinct integers a1 , a2 , ..., an ( 1≤ai≤109 ), where ai denotes the rain amount on the i -th day.
输出格式
Print a single integer — the index of the earliest not-so-rainy day of summer. We can show that the answer always exists.
输入输出样例
输入#1
10 2 2 10 9 6 7 8 3 2 1 4 5
输出#1
3
输入#2
10 2 3 10 9 6 7 8 3 2 1 4 5
输出#2
8
输入#3
5 5 5 100000 10000 1000 100 10
输出#3
5
说明/提示
In the first example days 3 and 8 are not-so-rainy. The 3 -rd day is earlier.
In the second example day 3 is not not-so-rainy, because 3+y=6 and a3>a6 . Thus, day 8 is the answer. Note that 8+y=11 , but we don't consider day 11 , because it is not summer.