add 2022/day02

2022/02/main.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+# -*- encoding: utf-8; py-indent-offset: 4 -*-
+
+# Author: Sebastian Mark
+# CC-BY-SA (https://creativecommons.org/licenses/by-sa/4.0/deed.de)
+
+# pylint: disable=missing-module-docstring,missing-function-docstring,consider-using-f-string
+
+
+def readinput():
+    lines = []
+    with open("input", "r", encoding="utf-8") as file:
+        for line in file.readlines():
+            lines.append(line.split())
+    return lines
+
+
+def main():
+    guide = readinput()
+
+    shapes1 = {
+        "X": {"beats": "C", "tie": "A", "score": 1},  # ROCK
+        "Y": {"beats": "A", "tie": "B", "score": 2},  # PAPER
+        "Z": {"beats": "B", "tie": "C", "score": 3},  # SCISSORS
+    }
+
+    shapes2 = {
+        "A": {"beats": "Z", "beat_by": "Y", "tie": "X"},  # ROCK
+        "B": {"beats": "X", "beat_by": "Z", "tie": "Y"},  # PAPER
+        "C": {"beats": "Y", "beat_by": "X", "tie": "Z"},  # SCISSORS
+    }
+
+    # part 1
+    totalscore = 0
+    for you, me in guide:
+        if shapes1[me]["beats"] == you:  # won
+            totalscore += shapes1[me]["score"] + 6
+        elif shapes1[me]["tie"] == you:  # tie
+            totalscore += shapes1[me]["score"] + 3
+        else:  # lost
+            totalscore += shapes1[me]["score"]
+    print("Totalscore (Part 1): %d" % totalscore)
+
+    # part2
+    totalscore = 0
+    for you, me in guide:
+        if me == "X":  # need to lose
+            choosen = shapes2[you]["beats"]
+            totalscore += shapes1[choosen]["score"]
+        elif me == "Y":  # need tie
+            choosen = shapes2[you]["tie"]
+            totalscore += shapes1[choosen]["score"] + 3
+        else:  # need win
+            choosen = shapes2[you]["beat_by"]
+            totalscore += shapes1[choosen]["score"] + 6
+    print("Totalscore (Part 2): %d" % totalscore)
+
+
+if __name__ == "__main__":
+    main()