LIGHTIN - Lightning Conductor

Progressive climate change has forced the Byteburg authorities to build a huge lightning conductor that would protect all the buildings within the city. These buildings form a row along a single street, and are numbered from 1 to n.

The heights of the buildings and the lightning conductor are non-negative integers. Byteburg's limited funds allow construction of only a single lightning conductor. Moreover, as you would expect, the higher it will be, the more expensive.

The lightning conductor of height p located on the roof of the building i (of height hi) protects the building j (of height hj) if the following inequality holds:

hj <= hi + p - sqrt(abs(i-j))

where |i-j| denotes the absolute value of the difference between i and j.

Byteasar, the mayor of Byteburg, asks your help. Write a program that, for every building, determines the minimum height of a lightning conductor that would protect all the buildings if it were put on top of the building i.

Input

In the first line of the standard input there is a single integer n (1 <= n <= 500,000) that denotes the number of buildings in Byteburg. Each of the following n lines holds a single integer hi (1 <= hi <= 1,000,000,000) that denotes the height of the i-th building.

Output

Your program should print out exactly n lines to the standard output. The i-th line should give a non-negative integer pi denoting the minimum height of the lightning conductor on the i-th building.

Example

For the input data:

6
5
3
2
4
2
4

the correct result is:

2
3
5
3
5
4

Added by:Krzysztof Lewko
Date:2011-06-25
Time limit:1s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All
Resource:XVIII POI

hide comments
2024-09-29 11:04:34
Can the administrator
increase the time limit? My solution is O(n log n) and it
exceeded the time limit
2019-12-13 06:15:19
Buildings are numbered from 1 to n.

The lightning conductor of height p located on the roof of the building i (of height hi) protects the building j (of height hj) if the following inequality holds:

hj <= hi + p - sqrt(abs(i-j))

Write a program that, for every building i, determines the minimum height of a lightning conductor that would protect all the buildings if it were put on top of the building i.

1 <= n <= 500,000
1 <= hi <= 1,000,000,000

Your program should print out exactly n lines to the standard output. The i-th line should give a non-negative integer pi denoting the minimum height of the lightning conductor on the i-th building.

https://szkopul.edu.pl/c/zwykly-konkursik/problemset/problem/iYVwsAcHHCRZzAtQh0QFKbsu/site/?key=statement
2019-06-26 19:45:03 David
Images not displayed.
© Spoj.com. All Rights Reserved. Spoj uses Sphere Engine™ © by Sphere Research Labs.