day2

python/day2/day2_1.py

@@ -0,0 +1,40 @@
+def score_match(x, y):
+    if x == "A":
+        if y == "X":
+            return 3
+        if y == "Y":
+            return 6
+        else:
+            return 0
+    if x == "B":
+        if y == "X":
+            return 0
+        if y == "Y":
+            return 3
+        else:
+            return 6
+    else:
+        if y == "X":
+            return 6
+        if y == "Y":
+            return 0
+        else:
+            return 3
+
+
+def score(x):
+    if x == "X":
+        return 1
+    if x == "Y":
+        return 2
+    else:
+        return 3
+
+
+f = open("input.txt", "r")
+lines = f.read().splitlines()
+current = 0
+for line in lines:
+    x, y = line.split(" ")
+    current = current + score(y) + score_match(x, y)
+print(current)

python/day2/day2_2.py

@@ -0,0 +1,40 @@
+def score_symbol(x, y):
+    if x == "A":
+        if y == "X":
+            return 3
+        if y == "Y":
+            return 1
+        else:
+            return 2
+    if x == "B":
+        if y == "X":
+            return 1
+        if y == "Y":
+            return 2
+        else:
+            return 3
+    else:
+        if y == "X":
+            return 2
+        if y == "Y":
+            return 3
+        else:
+            return 1
+
+
+def score_match(x):
+    if x == "X":
+        return 0
+    if x == "Y":
+        return 3
+    else:
+        return 6
+
+
+f = open("input.txt", "r")
+lines = f.read().splitlines()
+current = 0
+for line in lines:
+    x, y = line.split(" ")
+    current = current + score_symbol(x, y) + score_match(y)
+print(current)