inage · December 7, 2013 14:05
diff --git a/partition_function.rb b/partition_function.rb
 ## 分割数
 ## http://rubyfiddle.com/riddles/b8293

 n = 4
 m = 3
 M = 10000

 res = 0


 (1..m).each{|i|
  Array(1..n).repeated_combination(i){|a|
    res += 1 if a.inject(:+) == n
    }
  }
 puts res % M
	## 分割数
	## http://rubyfiddle.com/riddles/b8293

	n = 4
	m = 3
	M = 10000

	res = 0


	(1..m).each{\|i\|
	Array(1..n).repeated_combination(i){\|a\|
	res += 1 if a.inject(:+) == n
	}
	}
	puts res % M
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