I wanted to compute 80th term of the Fibonacci series. I wrote the rampant recursive function,
int fib(int n){
return (1==n || 2==n) ? 1 : fib(n-1) + fib(n-2);
}
and waited for the result. I wait... and wait... and wait...
With an 8GB RAM and an Intel i5 CPU, why is it taking so long? I terminated the process and tried computing the...
DP is one of the most complex problem solving approaches in computer science. At the same time, benefits that DP provide are huge, it usually reduces the time taken from exponential to polynomial. So getting it right is very important.
In most algorithm books, there is one chapter dedicated to DP, that discuss related concepts like optimal substructure, overlapping sub-problems, memoization, etc. And then there are few complex...
Kamal Rawat is a software developer, trainer, author and an entrepreneur. He has first-hand experience of implementing full life cycle of large scale desktop, Cloud and Mobile applications across various domains and platforms.
He had been a technical architect in complex projects like Microsoft OneNote, Adobe Photoshop and Samsung GalaxyConnect. He has also been in the core interview panel of Microsoft, Adobe and many start-ups.
...
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