From 7e7b56db42ceb8d2b8973eae678fa4b58d5d3659 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 13 May 2009 23:32:40 -0500
Subject: add old solutions

---
 6.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 6.lua

(limited to '6.lua')

diff --git a/6.lua b/6.lua
new file mode 100644
index 0000000..3c39a4b
--- /dev/null
+++ b/6.lua
@@ -0,0 +1,13 @@
+local function sum_of_squares(n)
+    local total = 0
+    for i = 1, n do
+        total = total + i^2
+    end
+    return total
+end
+
+local function square_of_sum(n)
+    return n^2*(n+1)^2/4
+end
+
+print(square_of_sum(100) - sum_of_squares(100))
-- 
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