Have the function ArrayAdditionI(arr) take the array of numbers stored in arr and return the string true if any combination of numbers in the array can be added up to equal the largest number in the array, otherwise return the string false. For example: if arr contains [4, 6, 23, 10, 1, 3] the output should return true because 4 + 6 + 10 + 3 = 23. The array will not be empty, will not contain all the same elements, and may contain negative numbers
SOLUTION
def ArrayAdditionI(arr)
greatest_number = arr.max
total = 0
total = arr.inject(:+) - greatest_number
return true if total == greatest_number
arr.each do |number|
if number != greatest_number
return true if total - number == greatest_number
end
end
return false
end
print ArithGeo(STDIN.gets)
