Arrays Pull Request

algorithms.rb

@@ -0,0 +1,26 @@
+def max(array)
+	return "No array provided." if array.length == 0
+	highest = array[0]
+	array[1..-1].each {|x| highest = x if highest < x }
+	return highest
+end
+
+
+def middle_element(array)
+	return "No array provided." if array.length == 0
+	length = array.sort!.length
+	p array
+	p length
+	if length % 2 == 0
+		return (array[length/2-1] + array[length/2])/2.0
+	else
+		return array[length/2]
+	end
+end
+
+def sum_arrays(array1, array2)
+	arr = []
+	l = array1.length
+	0.upto(l-1) {|x| arr[x] = array1[x]+array2[x]}
+	return arr
+end