Fix project, now use python 3.

day-01/solution.py

@@ -12,6 +12,6 @@ for line in fileinput.input():
 
         if not seenBasement and floor == -1:
             seenBasement = True
-            print "Basement reached at", idx + 1
+            print("Basement reached at", idx + 1)
 
-print "Finally arrived at", floor
+print("Finally arrived at", floor)

day-02/solution.py

@@ -1,5 +1,6 @@
 import fileinput
 from operator import mul
+from functools import reduce
 
 totalArea = 0
 totalRibbon = 0
@@ -14,6 +15,6 @@ for line in fileinput.input():
     totalRibbon += 2 * (parts[0] + parts[1])
     totalRibbon += reduce(mul, parts, 1)
 
-print totalArea, "paper"
+print(totalArea, "paper")
-print totalRibbon, "ribbon"
+print(totalRibbon, "ribbon")
 

day-03/solution.py

@@ -25,4 +25,4 @@ for line in fileinput.input():
             pos2 = move(pos2, c)
             places.add(pos2)
 
-print "Houses:", len(places)
+print("Houses:", len(places))

day-04/solution.py

@@ -1,5 +1,5 @@
 import sys
-import md5
+from hashlib import md5
 import fileinput
 
 def ok(digest, zeroes):
@@ -13,11 +13,11 @@ def solve(word, zeroes):
     number = 0
 
     while True:
-        digester = md5.new(word)
+        digester = md5(word.encode("utf-8"))
-        digester.update(str(number))
+        digester.update(str(number).encode("utf-8"))
 
         if ok(digester.hexdigest(), zeroes):
-            print word, number
+            print(word, number)
             break
 
         number = number + 1

day-05/solution.py

@@ -18,5 +18,5 @@ for line in fileinput.input():
     if inbetween.search(line) and twodouble.search(line):
         nice2 += 1
 
-print nice1, "nice1 strings."
+print(nice1, "nice1 strings.")
-print nice2, "nice2 strings."
+print(nice2, "nice2 strings.")

day-06/part1.py

@@ -14,7 +14,7 @@ for line in fileinput.input():
     match = commandExpr.search(line)
 
     if not match:
-        print "Invalid string"
+        print("Invalid string")
         sys.exit(1)
 
     xStart = int(match.group(3))
@@ -38,4 +38,4 @@ total = 0
 for row in lights:
     total += sum([int(i) for i in row])
 
-print total
+print(total)

day-06/part2.py

@@ -14,7 +14,7 @@ for line in fileinput.input():
     match = commandExpr.search(line)
 
     if not match:
-        print "Invalid string"
+        print("Invalid string")
         sys.exit(1)
 
     xStart = int(match.group(3))
@@ -38,4 +38,4 @@ total = 0
 for row in lights:
     total += sum(row)
 
-print total
+print(total)

day-07/solution.py

@@ -59,7 +59,7 @@ for line in fileinput.input():
 
 a = findValue("a")
 
-print "Initial a is ", a
+print("Initial a is ", a)
 values = {}
 values["b"] = a
-print "Secondary a is", findValue("a")
+print("Secondary a is", findValue("a"))

day-08/solution.py

@@ -26,5 +26,5 @@ for line in fileinput.input():
     totalLess += diff
     totalMore += plus
 
-print totalLess, "less"
+print(totalLess, "less")
-print totalMore, "more"
+print(totalMore, "more")

day-09/solution.py

@@ -59,5 +59,5 @@ for i in dist:
         possible.append(shortest)
         possible.append(longest)
 
-print "Shortest path is", min(possible)
+print("Shortest path is", min(possible))
-print "Longest path is", max(possible)
+print("Longest path is", max(possible))

day-10/solution.py

@@ -8,9 +8,9 @@ line = "1321131112"
 for x in range(40):
     line = lookandsay(line)
 
-print "40:", len(line)
+print("40:", len(line))
 
 for x in range(10):
     line = lookandsay(line)
 
-print "50:", len(line)
+print("50:", len(line))

day-11/solution.py

@@ -1,6 +1,6 @@
 import string
 
-letters = [c for c in string.lowercase]
+letters = [c for c in string.ascii_lowercase]
 
 password = "hxbxwxba"
 
@@ -59,4 +59,4 @@ for x in range(2):
     while not isOk(passwordCode):
         increment(passwordCode)
 
-    print "Next password is", ''.join([letters[c] for c in passwordCode])
+    print("Next password is", ''.join([letters[c] for c in passwordCode]))

day-12/solution.py

@@ -7,10 +7,10 @@ def totals(obj):
         return obj
     if isinstance(obj, list):
         return sum(totals(i) for i in obj)
-    if not isinstance(obj, dict) or "red" in obj.values():
+    if not isinstance(obj, dict) or "red" in list(obj.values()):
         return 0
 
-    return sum(totals(i) for i in obj.values())
+    return sum(totals(i) for i in list(obj.values()))
 
 fileData = ''.join(line for line in fileinput.input())
 
@@ -20,4 +20,4 @@ total = sum(int(match) for match in pattern.findall(fileData))
 
 data = json.loads(fileData)
 
-print total, totals(data)
+print(total, totals(data))

day-13/solution.py

@@ -25,7 +25,7 @@ maxHappiness = 0
 maxWithMe = 0
 
 # Compute happiness with everyone present
-for permutation in permutations(ratings.keys()):
+for permutation in permutations(list(ratings.keys())):
     happiness = 0
     withMe = 0
 
@@ -46,5 +46,5 @@ for permutation in permutations(ratings.keys()):
     maxWithMe = max(maxWithMe, withMe)
 
 
-print maxHappiness, maxWithMe
+print(maxHappiness, maxWithMe)