From c3ff98ee4aa79bcaa07c8a478e96539c2a512e73 Mon Sep 17 00:00:00 2001 From: Jesse Luehrs Date: Thu, 14 May 2009 19:51:41 -0500 Subject: rename files for better sorting --- 4.lua | 16 ---------------- 1 file changed, 16 deletions(-) delete mode 100644 4.lua (limited to '4.lua') diff --git a/4.lua b/4.lua deleted file mode 100644 index daec4bc..0000000 --- a/4.lua +++ /dev/null @@ -1,16 +0,0 @@ -local function is_palindrome(n) - local first_half = string.sub(n, 1, string.len(n) / 2) - local second_half = string.sub(n, -string.len(n) / 2) - return first_half == string.reverse(second_half) -end - -local prods = {} -for i = 100,999 do - for j = 100,i do - table.insert(prods, i * j) - end -end -table.sort(prods, function(a, b) return a > b end) -for _, v in ipairs(prods) do - if is_palindrome(v) then print(v) break end -end -- cgit v1.2.3-54-g00ecf