Problem 17

0017.py

@@ -0,0 +1,97 @@
+from functools import reduce
+
+target = 21124
+
+# 1 = 'one'
+# 2 = 'two'
+# 3 = 'three'
+# 4 = 'four'
+# 5 = 'five'
+# 6 = 'sixe'
+# 7 = 'seven'
+# 8 = 'eight'
+# 9 = 'nine'
+# 10 = 'ten'
+
+nbrs = [
+    '',
+    'one',
+    'two',
+    'three',
+    'four',
+    'five',
+    'six',
+    'seven',
+    'eight',
+    'nine',
+    'ten',
+    'eleven',
+    'twelve',
+    'thirteen',
+    'fourteen',
+    'fifteen',
+    'sixteen',
+    'seventeen',
+    'eighteen',
+    'nineteen',
+]
+
+decades = [
+    None,
+    None,
+    'twenty',
+    'thirty',
+    'forty',
+    'fifty',
+    'sixty',
+    'seventy',
+    'eighty',
+    'ninety',
+]
+
+loads = [
+    'hundred',
+    'thousand',
+]
+
+def number_to_string(nbr):
+    thousand = nbr // 1000
+    hundred = (nbr % 1000) // 100
+    under_hundred = nbr % 100
+
+    string = ''
+
+    if (thousand > 0):
+        string += nbrs[thousand] + 'thousand'
+
+    if (hundred > 0):
+        string += nbrs[hundred] + 'hundred'
+
+    end_string = ''
+
+    if (under_hundred < 20):
+        end_string += nbrs[under_hundred]
+    else:
+        decade = under_hundred // 10
+        single = nbr % 10
+
+        end_string += decades[decade] + nbrs[single]
+
+    if (end_string):
+        if (string):
+            string += 'and'
+
+        string += end_string
+
+
+    return string 
+
+def count_len(result, nbr):
+    string = number_to_string(nbr)
+
+    return result + len(string)
+
+result = reduce(count_len, list(range(1, 1001)), 0)
+
+print(result)
+print(result == target)