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3 questions
1
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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
0
votes
0
answers
132
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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
6
votes
4
answers
34k
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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 ...
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