project euler solution 57

2 files changed, 16 insertions, 1 deletions

diff --git a/src/projecteuler/057.py b/src/projecteuler/057.py
new file mode 100644
index 0000000..8098995
--- /dev/null
+++ b/src/projecteuler/057.py
@@ -0,0 +1,16 @@
+
+def get_fraction(c):
+	(n, d) = (1, 2)
+	for i in xrange(1, c):
+		(n, d) = (2*d+n, d) # add 2
+		(n, d) = (d, n) # 1/x, swap entries
+	return (d+n, d) # add 1
+
+count = 0
+for i in xrange(1, 1000):
+	(n, d) = get_fraction(i)
+	if len(str(n)) > len(str(d)):
+		count += 1
+
+print count
+
diff --git a/src/projecteuler/073.py b/src/projecteuler/073.py
index 163fcbe..4aeb7ab 100644
--- a/src/projecteuler/073.py
+++ b/src/projecteuler/073.py
@@ -2,7 +2,6 @@
 limit = 12000
 
 fractions = set()
-count = 0
 
 for d in xrange(2, limit+1):
 	start_n = (d+3)/3