不要追求绝对的公平,红尘之中没有公平而言,人活一世,难得糊涂。                                           it is no use doing what you like, you have got to like what you do.

Problem 1

上一篇 / 下一篇  2009-09-08 10:18:55 / 个人分类:projecteuler题目 ruby实现

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#   Problem 1
s*H8~3H~QK!t0#If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.51Testing软件测试网f2G DZo$l
#Find the sum of all the multiples of 3 or 5 below 1000.51Testing软件测试网3sT)m,qua,l#If5F m

b+k%gp j _~hA0=begin
T_'z'?%^8xEn,}0def n(a,b)51Testing软件测试网 N aNuh?k(y
sum =0
\Qm.H4DPId0b.upto(a){|n| sum+=n if n % 3 ==0 or n%5 ==0}51Testing软件测试网!|l#D|:N w"oY
return sum
P5gH!j7d KB"x0end
K;gs"yaKW0p n(999,1)
-Mw G.f6m2bL0=end

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