Problem solving encompasses a number of techniques known as algorithms, heuristics, root cause analysis, etc.

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1answer
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i take too long to solve programming problems? [closed]

It seems I take too long to solve programming problems. Last week, there was a programming competition for a job and there were 5 problems to solve in 4 hours. I only solved 2 out of them, and for the ...
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7answers
196 views

How to avoid errors and not miss anything [duplicate]

I have a problem that is more serious than it might seem. I've been programming for about three years , and I have learned and improved a lot , I read the code easily to others, understand the ...
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1answer
65 views

Permutations of an array [closed]

I have an array of integers of length 20, filled with fourteen 0s, two 1s, two 2s and two 3s. It is like this: [0,0,0,3,0,2,0,0,3,0,0,0,1,0,2,0,0,1,0,0]. I need a way to list all of its 20!/(14! 2! ...
1
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4answers
97 views

Optimistic & Pessimistic Programming - Ensuring multiple tasks are called only once for specific record

Let's say you have 10 database records which you need to process in the following way: Start Pull 2 records from the database with the 'Processed' flag set to 'false' Call the external web service ...
1
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3answers
249 views

Are problem-solving programming questions useful for improving one's general programming ability?

For example, like: The inaugural International Olympiad in Frogleaping is being held in Australia in 2013 and you are determined to win. While you want nothing to do with such slimy, jumpy ...
0
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0answers
26 views

I have URL and ID pairings, and I send the URLs to an API which it returns in no specific order. How should I pair them back up?

This is a programming problem that I haven't came across yet and I want to make sure I'm tackling it in an efficient manner. I have an array of dictionaries, with each dictionary consisting of a ...
6
votes
2answers
382 views

Do I have to be skilled in advanced theoretical problem solving to become a good programmer? [closed]

I have been doing programming for about a couple of years. I am currently in University 2nd year. In most universities here, the problem solving from sites like uva.onlinejudge.org and ...
2
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1answer
220 views

Programming puzzle with constant selection

THE QUESTION: There is an event where there are N contestants. There are three tasks in the event: A,B,C (say). Each participant takes part in the events in the listed order: i.e a contestant must ...
0
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0answers
114 views

Karger's algorithm for bin-packing?

I first came across that algorithm as the "Random minimum cut" algorithm. And recently a colleague was trying to pack a big quantity of small textures into one image file. Then it clicked - why not ...
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2answers
1k views

Java: The best way to learn it when MOOCs and books are not enough? [closed]

This topic was taken from Stack Overflow, but it was put on-hold due to Opinion-based question. So I moved it to here. I've had some great troubles with my homework exercises and I've used ...
4
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3answers
383 views

How to detect root cause of problem or bug [closed]

Often in coding, I find it very slow and difficult to detect the root cause of a bug and sometimes I end up going to wrong point in my code. It's painful. I know that to detect the root cause of a bug ...
6
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5answers
597 views

How to save during real-time collaboration

I want multiple users to edit same document. Problem I'm facing is when a new user joins, he might see an outdated document. How do I make sure that new users get most recent changes? Some solutions ...
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1answer
364 views

Any tips in tackling extremely complex problems like the Hanoi Tower problem? [closed]

People often give me the "divide and conquer" tip, but I think for some problems it's not nearly enough. The problem with such a complex problem as the Hanoi Tower problem is that you can't even ...
1
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1answer
137 views

Idea of the binary search main theorem

This link really provided some insights into the idea that binary search implications into the optimization problems by giving the main theorem. I am not really confident that I get the idea of the ...
12
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8answers
1k views

In an interview, is it better to code a brute-force solution to a tough question, or to spend the interview examining the question carefully?

Sometimes interview questions are hard, whether the interviewer intends them to be, or not. It can come down to a choice of whether to use the limited interview time to code up an ugly, inefficient, ...
0
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2answers
214 views

Help to simplify/model complex decision making (if, then, else scenarios)

I find my self in a situation, where I need to program a service, that can determine if two object in a huge database are the same. For simplicity, let's say it's used cars, and I want to determine if ...
6
votes
3answers
300 views

Should I fix small issues or let them go? [closed]

I ran into the following issue where a keyboard shortcut I was used to was no longer working in Ubuntu. That's just an example. For programming, this kinds of thing happens a lot, but it also happens ...
2
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1answer
322 views

Sublinear Extra Space MergeSort

I am reviewing basic algorithms from a book called Algorithms by Robert Sedgewick, and I came across a problem in MergeSort that I am, sad to say, having difficulty solving. The problem is below: ...
17
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3answers
1k views

How to avoid jumping to a solution when under pressure?

When under a particularly strict programming deadline (like an hour), if I panic at all, my tendency is to jump into coding without a real plan and hope I figure it out as I go along. Given enough ...
6
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4answers
600 views

algorithm for project euler problem no 18

Problem number 18 from Project Euler's site is as follows: By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to bottom is 23. 3 ...
1
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3answers
2k views

Calculating 3d rotation around random axis

This is actually a solved problem, but I want to understand why my original method didn't work (hoping someone with more knowledge can explain). (Keep in mind, I've not very experienced in 3d ...
5
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3answers
511 views

Steps to create a solution for a problem

I am a trainee. According to my teacher to solve a problem we should go through following steps: Create Algorithm (optional) Create a Datatable: By analyzing the problem, create main concepts in ...
12
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6answers
454 views

When to prefer a generalized solution over solving specific cases

In programming we're often faced with a choice: cover each conceivable use case individually, or solve the general problem: Its obvious that solving the immediate problem is faster, however ...
3
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2answers
167 views

How to find an error in a tcp server application for which there is no source code

I have a c++/cli tcp client application sending a data in a specific format like L,20100930033425093,-5.929958,13.164021 to a main application on port 9000.The main application is actually done by the ...
8
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6answers
918 views

How do the algorithms to solve problems encountered in interviews translate into real world solutions?

I have recently finished an undergraduate course in computer science and I am looking for a job. During the search I encountered several interesting (and tough) problems that needed clever algorithms ...
1
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1answer
183 views

What is the best way to maintain our programming experiences? [duplicate]

Possible Duplicate: how do you remember programming related stuff? During my work experiences, I always met many kind of blocking problems with different technologies. When I remember the ...
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2answers
1k views

Flowchart for solving programming problems

I noticed that every developer implements a somewhat different flowchart for solving programming problems. By flowchart I mean a defined system of techniques that the developer goes through in a ...
3
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5answers
294 views

How can a developer evaluate the effectiveness of his workflow?

This question has been on my mind for probably 10 years. Ever since I've started programming for a living. And I've seen multiple discussions about good fit, distractions, being in the zone, etc. But ...
9
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6answers
594 views

Is it important for a solution to be an efficient one?

I solve many problems, mostly from Top Coder. I will get answers for many, but most times I end up with an inefficient solution. In real-world implementations - does it really matter that a solution ...
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2answers
771 views

Good collection of short code samples in different languages to solve programming problems? [duplicate]

I am interested in learning some new programming languages and looking for the collection of short solutions for programming problems provided in different languages. The optimal format would be: ...
3
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6answers
604 views

Best way to get programmers to ask for help when they get stuck

What is the best way to ensure that programmers ask for help when they get stuck on a problem, rather than spending too much time trying to figure something out when they've hit a wall? I'm ...
18
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11answers
3k views

Is “White-Board-Coding” inappropriate during interviews?

This is a somewhat subjective quesiton but I'd love to hear feedback/opinions from either interviewers/interviewees on the topic. We split our technical part into 4 parts. Write Code, Read & ...
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2answers
325 views

Why are assumptions important when defining a puzzle?

in this question OP has presented a site where some puzzle are available. He described the problem about solving them. I was curious is that really so problematic. The first one was really easy, so I ...
5
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4answers
400 views

How to effectively (but minimally) *simulate* a distributed computing environment?

I am doing some personal research on Byzantine Faults. I am trying out algorithms from various research papers which present algorithms for consensus in distributed systems like this one. For this i ...
2
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4answers
262 views

How can I find the root of confusing problems?

Several times after posting over at Stack Overflow, I have found that the problem I have is somewhat specific, and may have issues rooted elsewhere in my code. These are very difficult to solve with a ...
3
votes
7answers
2k views

How to pay more attention to detail as a developer?

Are there any resources for paying more attention to detail as a software developer? (Especially edge cases, or small mistakes in code, details in the problem description, ramifications for certain ...
38
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12answers
2k views

Is thinking out loud during an interview really the best strategy?

In another question I asked recently about best practices for whiteboarding, there was general consensus that thinking out loud while coming up with the answer was the best strategy. Indeed, long ...
5
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2answers
551 views

Improving analysis skills

I am a software engineer with a couple of years of experience. However I feel my problem solving skills need to be improved. To put in crude terms given facts A and fact B I have difficulty in ...
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3answers
605 views

Importance of algorithms in a telephonic interview

I had taken a telephonic interview and the interviewer has given some problem for which I was supposed to give him the algorithm. Since its was a telephonic interview and I had no paper or pen, so I ...
5
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2answers
1k views

How do you improve your problem solving skills? [duplicate]

Possible Duplicate: How does one improve one's problem-solving ability? I'm focusing on becoming a better developer and one area I'd like to focus on is improving my problem solving ...
4
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5answers
735 views

How can one find software development work that involves directly the final end user?

I've worked in software development for 15 years and, while there have been signficant personal achievements and a lot of experience, I've always felt detached from the man/woman-on-the-street, the ...
1
vote
6answers
2k views

Steps to solve or approach towards a solution

Please share your experience about how do you approach towards a solution or solve a problem. Include description about what ever tools you use,sources you follow,algorithms you choose etc. It would ...
10
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7answers
2k views

Best way to break down overwhelming code into manageable chunks?

I'm continually becoming overwhelmed by large projects, once they reach a certain level of complexity. Once I reach a certain point in a project, my progress slows to a crawl and I find myself ...
1
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11answers
509 views

Writing code vs Figuring out the answer to a problem?

Why is writing code when you encounter a tricky problem considered "bad" programming practice? And why is thinking a problem completely through on paper or in your head before you write code "good" ? ...
12
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10answers
609 views

Why does not thinking about a bug sometimes help you solve it?

Yesterday I spent a good part of the afternoon trying to fix a bug, which I thought to be trivial. I was going around in circles, not having a clue what was wrong. Rewriting large parts of the code. ...
6
votes
3answers
650 views

What are the great unsolved challenges (or recent promising breakthroughs) of enterprise programming? [closed]

My experience with programming came from a field, computational linguistics, where there LOTS of unsolved problems (computationally modeling natural language, or having effective statistical ...
12
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12answers
4k views

How would you refactor nested IF Statements? [duplicate]

I was cruising around the programming blogosphere when I happened upon this post about GOTO's: http://giuliozambon.blogspot.com/2010/12/programmers-tabu.html Here the writer talks about how "one ...
44
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15answers
4k views

Dealing with frustration when things don't work [closed]

You ever try to implement something simple but for some strange reason it doesn't work. So you try a possible solution but then something else doesn't work. You keep trying different workarounds but ...
27
votes
10answers
935 views

Where do you draw the line for your perfectionism?

Perfectionism may be good and bad when programming. When and where do you draw the line when you are problem solving? When do you decide when a solution is overkill, too general or simply too ...
1
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1answer
145 views

How would you tackle a pattern-finding program?

Just to be clear, I don't think this should be question better suited for stackoverflow.com simply because there's not a single answer but a wide range of possible solutions, making this question far ...