Posted by oxaric on November 24, 2008
It uses Ruby.
Click to directly download euler-solution-30.rb
# filename 'euler-solution-30.rb'
# By: Louis Casillas, oxaric@gmail.com
# Euler Problem #30
# Find the sum of all the numbers that can be written as the sum of fifth powers of their digits
def isSumOfItsFifths?( num )
number_s = num.to_s
sum = 0
for i in (0...number_s.size)
sum += (number_s[i, 1].to_i ** 5)
end
if (sum == num )
true
else
false
end
end
i = 1600
sum = 0
while (i < 443840)
if isSumOfItsFifths?( i )
sum += i
puts "FOUND: " + i.to_s
puts "Current sum: " + sum.to_s
puts
end
i += 1
end
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This entry was posted on November 24, 2008 at 9:14 and is filed under Programming, Project Euler, Ruby.
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