All Questions
3 questions
1vote
1answer
1kviews
Is new object creation necessary with BigDecimal?
Problem description: I am running performance test of calculation of PI number with primitives and with BigDecimal class. Calculation of PI with primitives is around 5-6 times faster than the same ...
- 257
0votes
0answers
132views
Best datastructure to use
I am using Amazon's dynamodb nosql database and as a result I need to think of some ways to do certain operations to fit into their limits (e.g 4k item limit, can't combine small items into the same ...
- 103
6votes
4answers
34kviews
Most Efficient way to Compute the sum of divisors of N (1 ≤ N ≤ 1 000 000 000)
I want to write a code which computes the sum of divisors of a number N(1 ≤ N ≤ 1 000 000 000), excluding the number itself. However, I need an efficient way to do it. It suppose to print the answer ...
- 89
