[codemusings]

I mean the question also is whether OP has done any programming in C before. If the majority of your expierience is in VB.NET and web technologies I can see this being a major hurdle aside from the actual algorithmic problem.

[ejanus]

I don't think C is the issue here but mental shift . I have suffered from same situation in the past. He should just spend time and interpret the question, internalize it , and then code it