I like your test suite. Using large X forces a better solution.
Thank you Jonathan. I have discovered this philosophy thanks to James and @bmtran problems.
is there any mathematical algorithm that i dont know about to calculate such big range(10^13)?
i minimized my code as best as i can.still fails for such large number.
why i can't submit my solutions
Back to basics 12 - Input Arguments
How to subtract?
Determine if input is a perfect number
Is this number Munchhausen Narcissistic?
Find the nearest prime number
What is the scope of variables in Matlab ?
Narcissistic number ?
Recycled Numbers (CodeJam Qualification Round 2012)
Sum of big primes without primes
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