Add solution for day 10.

For some reason, day 10 won't run that well with pypy, so I disabled
trying pypy in the runner script.

day-10/solution.py

@@ -0,0 +1,29 @@
+def lookandsay(line):
+    p = None
+    n = 0
+    result = []
+    for c in line:
+        if n > 0 and p is not c:
+            result.append(str(n))
+            result.append(p)
+            n = 0
+
+        p = c
+        n += 1
+
+    result.append(str(n))
+    result.append(p)
+
+    return ''.join(result)
+
+
+line = "1321131112"
+for x in range(40):
+    line = lookandsay(line)
+
+print "40:", len(line)
+
+for x in range(10):
+    line = lookandsay(line)
+
+print "50:", len(line)

runall.sh

@@ -2,12 +2,6 @@
 
 rundir()
 {
-	if hash pypy &> /dev/null; then
-		python=pypy
-	else
-		python=python
-	fi
-
 	input=""
 	if [ -f $1/input.txt ]; then
 		input="$1/input.txt"
@@ -15,7 +9,8 @@ rundir()
 
 	for i in $1/*.py; do
 		echo "$i" "$input"
-		$python "$i" "$input"
+		python "$i" "$input"
+		echo
 	done
 }