## VERY FEW THINGS NEEDED TO GET JOBS AT FACEBOOK!!!!

*You must be highly talented in your field either programming or your engineering field related to computer…*

*1*^{st}step- Go to facebook careers website.here

*2*^{nd}step- write the online exam which extends upto two and half hours. For example software analyst jobs they will present you with a timed programming question that you must complete as quickly as possible in one of the following languages - C, C++, Java, Python, Perl, Ruby, C#, PHP. You can check the versions of the languages provided here [click].

*3*^{rd}step- If u clear the written test. Many phone call interviews will be there.if u have enough knowledge and confidence its simple to clear it.!!!

*4*^{th}step- if you clear all of those interviews you will be called for the HR round to nearby areas where facebook is conducting interviews. E.g. Banglore, Chennai. HR interview is just to talk about salary details, ID verification, medical tests etc
Proof-

**I read about IITians placed in FB with 70lakhs/annum and read about placements. First they wrote written test online which was very tedious. After clearing written test they had many phone call interviews. Phone call interviews were used to test your confidence level and they appeared for interview and cleared.**### Sample question asked in written test-

Facebook hiring sample
test

There
are

**K**pegs. Each peg can hold discs in decreasing order of radius when looked from bottom to top of the peg. There are**N**discs which have radius 1 to**N**; Given the initial configuration of the pegs and the final configuration of the pegs, output the moves required to transform from the initial to final configuration. You are required to do the transformations in minimal number of moves.
o
A move consists of picking the topmost disc of any one of the
pegs and placing it on top of anyother peg.

o
At anypoint of time, the decreasing radius property of all the
pegs must be maintained.

Constraints:

1<=

**N**<=8

3<=

**K**<=5

Input Format:

**N**

**K**

2nd line contains

**N**integers.

Each integer in the second line is in the range 1 to

**K**where the

**i**-th integer denotes the peg to which disc of radius

**i**is present in the initial configuration.

3rd line denotes the final configuration in a format similar to the initial configuration.

Output Format:

The first line contains

The following

Sample Input #00:

The first line contains

**M**- The minimal number of moves required to complete the transformation.The following

**M**lines describe a move, by a peg number to pick from and a peg number to place on.If there are more than one solutions, it's sufficient to output any one of them. You can assume, there is always a solution with less than 7 moves and the initial confirguration will not be same as the final one.Sample Input #00:

2 3

1 1

2 2

Sample Output #00:

3

1 3

1 2

3 2

Sample Input #01:

Sample Input #01:

6 4

4 2 4 3 1 1

1 1 1 1 1 1

Sample Output #01:

5

3 1

4 3

4 1

2 1

3 1

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