Matija needs to paint his old fence. The fence is made from planks, each
cm in
width and varying in height. To do this easy and fast, he bought himself a Super Paint
Roller Deluxe. The paint roller is
cm wide. The Super Paint Roller Deluxe model
comes with a catch, however. Matija must at all times touch the planks with the full
width of the roller, otherwise paint drops all around and stains everything. Also, the
roller must always be parallel to the ground to prevent leakage. This means that in
order for Matija to use the roller safely, he needs to select
planks, and paint them
from bottom to the top of the lowest plank in one swoop. Then he selects some other
planks, paints them, and so on.
This leaves parts of some planks unpainted. Matija will have to paint such parts with a toothbrush. This is obviously quite tedious so he asked you to help him paint as much as possible using the Super Paint Roller Deluxe. Since there is more than one way to do this, he is also interested in the painting that requires the minimal number of swoops.
Input Specification
The first line of input contains two integers
, number of planks,
and
, width of the Super Paint Roller. Width of the Super Paint
Roller will not exceed the width of the fence.
The second line of input contains positive integers, smaller than
, heights
of planks in the fence.
Note: If only one of the output numbers is correct, you will receive of points for that
test case. You must always follow the output format to the letter, even if you do
not calculate both numbers. In such a case, you may output any integer in place of the
number you did not calculate.
Output Specification
The first line of output should contain the smallest possible area Matija will have to paint manually.
The second line of output should contain the smallest number of swoops needed.
Sample Input 1
5 3
5 3 4 4 5
Sample Output 1
3
2
Explanation for Sample Output 1
Matija needs two swoops with his roller - one to paint planks ,
and
to the height
of
, the other to paint planks
,
and
to the height of
.
Note that
(
on plank
and
on plank
) are
left unpainted. Also,
on plank
are painted over twice, but that's OK.
Sample Input 2
10 3
3 3 3 3 3 3 3 3 3 3
Sample Output 2
0
4
Sample Input 3
7 4
1 2 3 4 3 2 1
Sample Output 3
4
4
Comments