fix: adapt missing ruby style guide (#1216)

codes/ruby/chapter_computational_complexity/time_complexity.rb

@@ -133,32 +133,32 @@ end
 n = 8
 puts "输入数据大小 n = #{n}"
 
-count = constant n
+count = constant(n)
 puts "常数阶的操作数量 = #{count}"
 
-count = linear n
+count = linear(n)
 puts "线性阶的操作数量 = #{count}"
-count = array_traversal Array.new n, 0
+count = array_traversal(Array.new(n, 0))
 puts "线性阶（遍历数组）的操作数量 = #{count}"
 
-count = quadratic n
+count = quadratic(n)
 puts "平方阶的操作数量 = #{count}"
 nums = Array.new(n) { |i| n - i } # [n, n-1, ..., 2, 1]
-count = bubble_sort nums
+count = bubble_sort(nums)
 puts "平方阶（冒泡排序）的操作数量 = #{count}"
 
-count = exponential n
+count = exponential(n)
 puts "指数阶（循环实现）的操作数量 = #{count}"
-count = exp_recur n
+count = exp_recur(n)
 puts "指数阶（递归实现）的操作数量 = #{count}"
 
-count = logarithmic n
+count = logarithmic(n)
 puts "对数阶（循环实现）的操作数量 = #{count}"
-count = log_recur n
+count = log_recur(n)
 puts "对数阶（递归实现）的操作数量 = #{count}"
 
-count = linear_log_recur n
+count = linear_log_recur(n)
 puts "线性对数阶（递归实现）的操作数量 = #{count}"
 
-count = factorial_recur n
+count = factorial_recur(n)
 puts "阶乘阶（递归实现）的操作数量 = #{count}"