Learned from Solution 883700, by Tim. run this just for checking: I reckon that function "sum" in that solution is redundant, and my guessing seems to be right.
Quick response! Seems 0 is better than infinity...
lol~ yes, in terms of code size, 0 is better than Inf :-)
Remove the polynomials that have positive real elements of their roots.
Project Euler: Problem 1, Multiples of 3 and 5
Project Euler: Problem 7, Nth prime
Project Euler: Problem 8, Find largest product in a large string of numbers
Check that number is whole number
Factorizing a number into a given number of factors
Aztec Diamond domino tilings
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