From 16765a7a532e35394fd1788b4a7fefe372b8544f Mon Sep 17 00:00:00 2001
From: Imanol-Mikel Barba Sabariego <imanol@imanolbarba.net>
Date: Wed, 23 Dec 2015 14:38:49 +0100
Subject: [PATCH] Added solution for problem 17

---
 17.py | 89 ++++++++++++++++++++++-------------------------------------------------------------------
 1 file changed, 22 insertions(+), 67 deletions(-)

diff --git a/17.py b/17.py
index c23dd48..f8c28ce 100755
--- a/17.py
+++ b/17.py
@@ -1,67 +1,22 @@
-import sys;
-
-def getLetterNum(num):
-    switch(num):
-        if(num == 1):
-            return 3;
-        
-        elif(num == 2):
-            return 3;
-
-        elif(num == 3):
-            return 5;
-        
-        elif(num == 4):
-            return 3;
-        
-        elif(num == 5):
-            return 3;
-        
-        elif(num == 6):
-            return 3;
-        
-        elif(num == 7):
-            return 3;
-        
-        elif(num == 8):
-            return 3;
-        
-        elif(num == 9):
-            return 3;
-        
-        elif(num == 10):
-            return 3;
-        
-        elif(num == 11):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-        elif(num == 2):
-            return 3;
-
-
-def countLetters(start, end):
-    count = 0;
-    for i in range(start, end+1):
-        count += getLetterNum(i);
-    return count;
-
-start = int(sys.argv[1]);
-end = int(sys.argv[2]);
-print "Result is " + str(countLetters(start,end));
+#!/usr/bin/python
+
+S = [0,3,3,5,4,4,3,5,5,4,3,6,6,8,8,7,7,9,8,8]
+D = [0,3,6,6,5,5,5,7,6,6]
+H = 7
+T = 8
+ 
+total = 0
+for i in range(1,1000):
+    c = i % 10 # singles digit
+    b = ((i % 100) - c) / 10 # tens digit
+    a = ((i % 1000) - (b * 10) - c) / 100 # hundreds digit
+ 
+    if a != 0:
+        total += S[a] + H # "S[a] hundred
+        if b != 0 or c != 0: total += 3 # "and"
+    if b == 0 or b == 1: total += S[b * 10 + c]
+    else: total += D[b] + S[c]
+ 
+total += S[1] + T
+ 
+print "Result is: " + str(total)
--
libgit2 0.22.2