From: nobu.nokada@...
Date: 2005-11-12T16:30:52+09:00
Subject: Re: I rea......lly need your help ( C++ )

Hi,

At Sat, 12 Nov 2005 13:52:15 +0900,
ashmangat@yahoo.com wrote in [ruby-talk:165395]:
> Calculate and display the average, median, and mode of the values
> entered.

students = []
ARGF.each do |line|
  /^\d+$/ =~ line or break
  students << line.to_i
end
mode, = students.inject(Hash.new(0)) {|h, s| h[s] += 1; h}.max_by {|s, n| n}
avrg = students.inject(0) {|a, s| a + s}.to_f / students.size
require 'pp'
print "The array is: "
pp students
puts "The Mode is #{mode}."
puts "The average is #{avrg}."

-- 
Nobu Nakada