Solves problem 12, 15, 21, 48

Searches solution for problem 18

Problem 12 takes like 6 hours to process. Should be enhanced !

e_12.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python 
 """
  ##---
- # airballman
+ # Julien Lengrand
  #Created on : Sun Jan 15 22:35:08 CET 2012
  #
  # DESCRIPTION : Solves problem 12 of Project Euler
@@ -17,13 +17,35 @@
  28: 1,2,4,7,14,28
  We can see that 28 is the first triangle number to have over five divisors.
  What is the value of the first triangle number to have over five hundred divisors?
+ 
+ FIXME : This solution is waaaaaay to long ! 
  ##---
 """
-def fun():
+def triangle_divisors(div_number):
     """
+    Returns the value of the first triangle number to have over div_number 
+    divisors
     """
-    
+    val = 0
-    return 1
+    inc = 0
+    nb_div = 0
+    while( nb_div <= div_number):
+        inc += 1
+        val += inc       
+        nb_div = divisors(val)
+            
+    return val
+
+def divisors(value):
+    """
+    Outputs the number of divisors of value
+    """
+    nb_div = 2
+    for val in range(2, value ):
+        if (value % val ==0):
+            nb_div += 1
+
+    return nb_div
 
 if __name__ == '__main__':
-    print "Answer : %d" % (fun())
+    print "Answer : %d" % (triangle_divisors(500))