solved day13 p1

2024/day13/main.py

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+import re
+
+BUTTON_A_COST = 3
+BUTTON_B_COST = 1
+MAX_PRESSES = 100
+
+with open('input.txt', 'r') as file:
+    data: list[str] = file.readlines()
+
+machines = []
+
+for i in range(0, len(data), 4):
+    button_a = [int(n) for n in re.findall('[0-9]+', data[i])]
+    button_b = [int(n) for n in re.findall('[0-9]+', data[i+1])]
+    prize = [int(n) for n in re.findall('[0-9]+', data[i+2])]
+
+    machines.append([button_a, button_b, prize])
+
+# Very simple niave solution for part 1
+
+total_cost = 0
+for machine in machines:
+    ax, ay = machine[0]
+    bx, by = machine[1]
+    x, y = machine[2]
+
+    smallest_a, smallest_b = float('inf'), float('inf')
+    for a in range(MAX_PRESSES):
+        for b in range(MAX_PRESSES):
+            if (a * ax) + (b * bx) == x and (a * ay) + (b * by) == y:
+                if a < smallest_a:
+                    smallest_a = a
+
+                if b < smallest_b:
+                    smallest_b = b
+
+    if smallest_a == float('inf') or smallest_b == float('inf'):
+        continue
+
+    cost = (smallest_a * BUTTON_A_COST) + (smallest_b * BUTTON_B_COST)
+    total_cost += cost
+
+    print('Presses: ', smallest_a, smallest_b)
+    print('Minimum tokens: ', cost)
+
+print('Total cost: ', total_cost)
+
+
+
+
+

2024/day13/test.txt

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+Button A: X+94, Y+34
+Button B: X+22, Y+67
+Prize: X=8400, Y=5400
+
+Button A: X+26, Y+66
+Button B: X+67, Y+21
+Prize: X=12748, Y=12176
+
+Button A: X+17, Y+86
+Button B: X+84, Y+37
+Prize: X=7870, Y=6450
+
+Button A: X+69, Y+23
+Button B: X+27, Y+71
+Prize: X=18641, Y=10279