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You are given an array A of N integers that are not necessarily distinct. Additionally, you have a pointer p that initially points to the
You are given an array A of N integers that are not necessarily distinct. Additionally, you have a pointer p that initially points to the first element of A
You are allowed to perform the following
types of operations:
Increment p to point to the next element.
Decrement p to point to the previous element.
Erase the element p is currently pointing to Additionally, after the erase operation you must choose whether p will point to the previous or the next element.
Find the minimum number of operations required to erase all the elements in non decreasing order.
Input Format
The first line contains an integer, N denoting the number of elements in A
Each line i of the subsequent lines where i N contains an integer describing Ai thos
Constraints
N
Ai
Sample Test Cases
Case
Input:
Output:
Explanation:
Here since only element is there we erase it in operation.
Case
Input:
Output:
Explanation:
The operations are:
erase and move right
erase and move right
erase and move right
erase finish
Case
Input:
Output:
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