@nums=[] @plus=0 @minus=0 gets gets.split.each{|i| if i=='+' @plus += 1 elsif i=='-' @minus +=1 else @nums.push(i.to_i) end } @nums.sort def get_max(nums,plus,minus) ops=@plus+@minus nums = nums.sort.reverse big = nums[0,nums.size-ops].join('').to_i nums = [big] + nums[nums.size-ops,nums.size] #puts "nums=#{nums}" nums = nums.sort.reverse val = nums.shift nums.each{|n| if(plus>0) plus -=1 val += n else minus -=1 val -= n end } return val end def get_min1(nums,plus,minus) ops=@plus+@minus nums = nums.sort.reverse big = nums[0,nums.size-ops].join('').to_i nums = [big] + nums[nums.size-ops,nums.size] #puts "nums=#{nums}" nums = nums.sort.reverse val = -nums.shift minus -=1 nums.each{|n| if(minus>0) minus-=1 val -= n else minus -=1 val += n end } return val end def get_min2(nums,plus,minus) ops=@plus+@minus nums = nums.sort parts = Array.new(ops+1,0) i=0 nums.each{|n| parts[i] *= 10 parts[i] += n i+=1 i%=(ops+1) } total = parts.inject(&:+) return total end ma = get_max(@nums.clone,@plus,@minus) mi=999 if @minus>0 mi = get_min1(@nums.clone,@plus,@minus) else mi = get_min2(@nums.clone,@plus,@minus) end puts "#{ma} #{mi}"