## Forum Posts

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**Can someone please explain why the time complexity is written as is in this problem in Cracking the Coding Interview 6th edition?**On page 378, it explains a solution to a system design problem.

- shelley July 11, 2016

It says that the big O analysis of BFS is O(q^k).

Shouldn't it be O(k^q) instead? (Assuming that each person has k nodes and q is the length of the path. We'd have to go through k nodes per level and there are q levels, right?)| Flag | PURGE - 0 Answers
**Can someone please explain why the time complexity is written as is in this problem in Cracking the Coding Interview 6th edition?**On page 378, it explains a solution to a system design problem.

- shelley July 11, 2016

It says that the big O analysis of BFS is O(q^k).

Shouldn't it be O(k^q) instead? (Assuming that each person has k nodes and q is the length of the path. We'd have to go through k nodes per level and there are q levels, right?)| Flag | PURGE - 0 Answers
**Can someone please explain why the time complexity is written as is in this problem in Cracking the Coding Interview 6th edition?**On page 378, it explains a solution to a system design problem.

- shelley July 11, 2016

It says that the big O analysis of BFS is O(q^k).

Shouldn't it be O(k^q) instead? (Assuming that each person has k nodes and q is the length of the path. We'd have to go through k nodes per level and there are q levels, right?)| Flag | PURGE - 0 Answers
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- SteffanJackson111 July 01, 2016

check out :- 1-877-448-8698| Flag | PURGE - 0 Answers
**Cracking the Code Interview.**Hi Gayle,

- orsitom17 June 09, 2016

I really like your book CTCI, in the six addition I think you could add to the page 68 example involving the quadratic formula, the only slightly optimized version that solves for d need to check for negative numbers before getting the cube root of a**3+b**3-c**3, and the code should also check to see if d exceeds the range of numbers checked , 1000 in your case.

Thanks,

Tom| Flag | PURGE - 0 Answers
**Looking for study Buddy**Hi Guys

- Shab June 06, 2016

I am looking for a study buddy as I am preparing for Software Development interviews. My areas of Focus is wide and people looking for various preparation areas are welcome to join me. Planned study planned period ranges between 15 days to 30 days. Not beyond this.

Areas of Focus.

Algorithms & Data Structure

Python and Frameworks - Flask/ Django

Hadoop/ Map Reduce/ Hive/ Pig/ Hbase/ Spark (Beginner)

Data Warehouse/ Business Intelligence/ Data Engineer.

Please comment on this topic and I would be happy to add you to my group.

Thanks| Flag | PURGE - 0 Answers
**given 2 strings generate all possible permutation (order should be maintained!)**given 2 strings A and B. generate all possible solutions when B is merged in A.

- JerryGoyal May 22, 2016

Ex: A = "hey"

B: "sam"

then solutions are :

heysam,hseaym,hesaym,sahemy etc.

notice that order should be the same for both of strings while merging.| Flag | PURGE - 0 Answers
**Find shortest path from set of points**Input: set of coordinates = [P1,P2,...,Pi,.....Pj,....Pn]

- prince May 13, 2016

P denote Point(x,y)

Start point is any of set of coordinates like Pi

simily end point is also any of set of coordinates like Pj.

Find the shortest path with set of points between start and end points.

Let us have a simple example

Set of coordinates :

P4 P5 P6

P1 P2 P3 P7 P8 P9 P11 P12 P13

P10

Start Point: P2

End Points: p12

Output: P2,P3, P7,P8,P9,P11,P12| Flag | PURGE - 0 Answers
**lucky numbers**how can i solve this in java: i want my program to detect lucky numbers those are any numbers combined of numbers 7 or 4 or both ... the user is allowed to enter from 1 to 16 digit numbers.

- truthwillcome35 May 03, 2016

EX: 7,74,474 are lucky however 73,470,754 are not.| Flag | PURGE - 0 Answers
**lucky numbers**how can i solve this in java: i want my program to detect lucky numbers those are any numbers combined of numbers 7 or 4 or both ... the user is allowed to enter from 1 to 10 digit numbers.

- truthwillcome35 May 03, 2016

EX: 7,74,474 are lucky however 73,470,754 are not.| Flag | PURGE - 0 Answers
**lucky numbers**how can i solve this in java: i want my program to detect lucky numbers those are any numbers combined of numbers 7 or 4 or both ... the user is allowed to enter from 1 to 10 digit numbers.

- truthwillcome35 May 03, 2016

EX: 7,74,474 are lucky however 73,470,754 are not.| Flag | PURGE - 0 Answers
**Senior DBA - Jobs in Seattle, WA**Hello Everyone,

- vijji.soma May 02, 2016

I recently received my EAD and looking for job as a DBA... Prior to that I worked as a Senior Analyst DBA and SME in Goldman Sachs, India... But, unfortunately, I've very little experience on SQL and Oracle servers... So, I'd like to learn SQL server and know the interview process for the companies here in Seattle... Any help is much appreciated... Thanks much again..| Flag | PURGE - 0 Answers
**Implement a web logger**How would you implement a web logger?

- mailswami April 30, 2016| Flag | PURGE - 0 Answers
**Facebook interview**Anyone preparing for Facebook interview. I have an interview in exactly 2.5 weeks. I feel bit nervous. If anyone willing to do online study with me for the same? Data structures and Algorithms programming practice? This is for Android dev interview but they said interview would be more like Computer science interview. Any help is much appreciated. Thanks

- Geetha April 19, 2016| Flag | PURGE

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