a = [1,1,1,1]
b = [0,1,2,3]
d = [0,0,0,0]
for i in b:
for j in c:
if (i+j)<3:
d[i+j] += a[i]My just work implementation in Haskell http://hpaste.org/57452 Another people implementation in Haskell with Monad and it turns out complex and very imperatively. http://hpaste.org/57358 Do you have any cool solution in FP way? Thanks. -Simon
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