?

Signed-off-by: TuDatTr <tuan-dat.tran@tudattr.dev>

2022/day-2-alt/.gitignore

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+/input.txt

2022/day-2-alt/main.py

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+def calc(u1, u2):
+    if u1 == u2:
+        print(f'{chr(u1+ord("A")-1)} {chr(u2+ord("X")-1)} draw')
+        return u2 + 3
+    elif u1 == (u2 % 3 - 1):
+        print(f'{chr(u1+ord("A")-1)} {chr(u2+ord("X")-1)} win')
+        return u2 + 6
+    else:
+        print(f'{chr(u1+ord("A")-1)} {chr(u2+ord("X")-1)} loss')
+        return u2 + 0
+    
+def test_2a(file):
+    res = []
+    for l in open(file, 'r').read().split('\n'):
+        if l:
+            a, b = l.split()
+            res.append(calc(*(ord(a) - ord("A") + 1, ord(b) - ord("X") + 1)))
+    res = sum(res)
+    print(res)
+    apprehension = task_2a(file)
+    assert res == apprehension
+
+    
+def task_2a(file):
+    numify = lambda a_b: (ord(a_b[0]) - ord("A") + 1, ord(a_b[1]) - ord("X") + 1)
+    return sum([calc(*numify(l.split())) for l in open(file, 'r').read().split('\n') if l])
+
+def task_2b(file):
+    raise NotImplementedError
+
+if __name__ == '__main__':
+    print(task_2a('input.txt'))
+    # print(task_2b('input.txt'))
+

2022/day-2-alt/todo.md

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+Gave up for now, tried to solve the task more or less functionally/mathematically, but it didn't work out.
+
+Related:
+- [Calculus on finite weighted graphs](https://en.wikipedia.org/wiki/Calculus_on_finite_weighted_graphs) 
+- ![notes](whiteboard_notes.jpeg)