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#F1872. Dreamoon and Notepad

    ID: 1878 传统题 2000ms 256MiB 尝试: 0 已通过: 0 难度: 10 上传者: 标签>数据结构挑战难度共享题库Codeforces英文题面题目来源题面语言

Dreamoon and Notepad

题目描述

E. Dreamoon and Notepad
time limit per test
3.5 seconds
memory limit per test
256 megabytes
input
standard input
output
standard output

Dreamoon has just created a document of hard problems using notepad.exe. The document consists of n lines of text, ai denotes the length of the i-th line. He now wants to know what is the fastest way to move the cursor around because the document is really long.

Let (r,c) be a current cursor position, where r is row number and c is position of cursor in the row. We have 1≤rn and 0≤car.

We can use following six operations in notepad.exe to move our cursor assuming the current cursor position is at (r,c):

  1. up key: the new cursor position (nr,nc)=(max(r-1,1),min(anr,c))
  2. down key: the new cursor position (nr,nc)=(min(r+1,n),min(anr,c))
  3. left key: the new cursor position (nr,nc)=(r,max(0,c-1))
  4. right key: the new cursor position (nr,nc)=(r,min(anr,c+1))
  5. HOME key: the new cursor position (nr,nc)=(r,0)
  6. END key: the new cursor position (nr,nc)=(r,ar)

You're given the document description (n and sequence ai) and q queries from Dreamoon. Each query asks what minimal number of key presses is needed to move the cursor from (r1,c1) to (r2,c2).

Input

The first line contains an integer n(1≤n≤400,000) − the number of lines of text.

The second line contains n integers a1,a2,...,an(1≤ai≤108).

The third line contains an integer q(1≤q≤400,000).

Each of the next q lines contains four integers r1,c1,r2,c2 representing a query (1≤r1,r2n,0≤c1ar1,0≤c2ar2).

Output

For each query print the result of the query.

Examples
Input
9
1 3 5 3 1 3 5 3 1
4
3 5 3 1
3 3 7 3
1 0 3 3
6 0 7 3
Output
2
5
3
2
Input
2
10 5
1
1 0 1 5
Output
3
Note

In the first sample, the first query can be solved with keys: HOME, right.

The second query can be solved with keys: down, down, down, END, down.

The third query can be solved with keys: down, END, down.

The fourth query can be solved with keys: END, down.


题目来源:fps-www.educg.net-codeforce-1-2833.xml.zip;FPS 共享题包,题包内第 1447 题。保留原作者与原赛事署名。