## Another Contest 5 Problem 1 - Goat Fence

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Points: 3 (partial)
Time limit: 1.0s
Memory limit: 256M

Problem type

Tudor is building a pen for his goats. goats need a rectangular pen with area exactly square meters to roam.

Tudor needs to buy some fencing to demarcate the pen. The fencing comes in one meter units, so the rectangular pen must have side lengths that are an integer number of meters.

Tudor will randomly select, among all such possible rectangular pens with area square meters, one pen to build. Compute the minimum amount of fencing, in meters, that Tudor needs to buy to guarantee that he can build the randomly selected pen.

#### Input Specification

The first and only line of input contains a single positive integer, .

#### Output Specification

Output the minimum amount of meters of fencing Tudor must buy.

#### Sample Input

1

#### Sample Output

4

• commented on Aug. 24, 2020, 9:59 a.m.

• commented on Aug. 15, 2020, 3:17 p.m.

What are you supposed to output if it's not a perfect square?

• commented on Aug. 15, 2020, 7:33 p.m.

It doesn't matter if N is a perfect square or not, all areas can be represented with at least 1 rectangular pen.

• commented on March 19, 2020, 6:08 p.m. edited

This comment is hidden due to too much negative feedback. Click here to view it.

• commented on Jan. 10, 2020, 5:32 p.m. edited

Edit: I understand it now

• commented on Jan. 7, 2020, 9:37 p.m.

big bruh moment

• commented on July 25, 2019, 7:37 p.m. edit 2

Why am I getting Presentation Error, check your whitespace?

Edit: I know it means that I have either too many whitespaces or I'm missing some. But I don't have any whitespaces in my output, and I don't think we need to in this question?

• commented on July 25, 2019, 7:44 p.m.

If you look at the contest page, you will see that it states the following:

The contest will follow the standard convention of having all lines terminate in a \n character.