From 79aba022d414b5d28422646cb99bfd6637e5bc66 Mon Sep 17 00:00:00 2001
From: Peter Mikkelsen <petermikkelsen10@gmail.com>
Date: Tue, 20 Apr 2021 19:40:23 +0200
Subject: Problem 2

---
 problem1.ijs |  2 +-
 problem2.ijs | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)
 create mode 100644 problem2.ijs

diff --git a/problem1.ijs b/problem1.ijs
index 71227e8..19dff8b 100644
--- a/problem1.ijs
+++ b/problem1.ijs
@@ -1,4 +1,4 @@
 nums =. i. 1000
 mult3s =: 0=3|nums
 mult5s =: 0=5|nums
-problem1 =: +/(mult3s +. mult5s)#nums
\ No newline at end of file
+problem1 =: +/(mult3s +. mult5s)#nums
diff --git a/problem2.ijs b/problem2.ijs
new file mode 100644
index 0000000..22e2061
--- /dev/null
+++ b/problem2.ijs
@@ -0,0 +1,11 @@
+fib =: 3 : 0 M. NB. M. means that it is memoized
+if. 1>:y do.
+	x: 1
+else.
+	(fib y-1)+fib y-2
+end.
+)
+
+fibs =: ; fib each i.50 NB. first 50 should be enough lol
+
+problem2 =: +/((0=2|fibs)*.(fibs<4000000))#fibs
-- 
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