class Array; def sum; inject( nil ) { |sum,x| sum ? sum+x : x }; end; end
def clonearray(arr)
b = []
for a in arr
b << a
end
return b
end
def match(condidatesolution,avail,paymoney)
@temp = 0
for i in 0..avail.size-1
@temp += condidatesolution[i] * avail[i]
end
retur ...
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