day03

day03.py

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+from aoc import AOCDay
+from typing import Any
+
+
+class Day(AOCDay):
+    test_solutions_p1 = [198]
+    test_solutions_p2 = [230]
+
+    def part1(self) -> Any:
+        report = self.getInput()
+        gamma = epsilon = ""
+        for c in range(len(report[0])):
+            count = 0
+            for b in report:
+                count += b[c] == "1"
+
+            gamma += str(int(count >= len(report) // 2))
+            epsilon += str(int(count < len(report) // 2))
+
+        return int(gamma, 2) * int(epsilon, 2)
+
+    def part2(self) -> Any:
+        report_ox = [a for a in self.getInput()]
+        report_co2 = [a for a in self.getInput()]
+        for i in range(len(report_ox[0])):
+            count_ox = 0
+            count_co2 = 0
+            for num in report_ox:
+                count_ox += num[i] == "1"
+
+            for num in report_co2:
+                count_co2 += num[i] == "1"
+
+            if len(report_ox) > 1:
+                report_ox = [a for a in report_ox if a[i] == str(int(count_ox >= len(report_ox) / 2))]
+
+            if len(report_co2) > 1:
+                report_co2 = [a for a in report_co2 if a[i] == str(int(count_co2 < len(report_co2) / 2))]
+
+        return int(report_ox[0], 2) * int(report_co2[0], 2)

inputs/test_input03_1_0

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+00100
+11110
+10110
+10111
+10101
+01111
+00111
+11100
+10000
+11001
+00010
+01010

inputs/test_input03_2_0

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+00100
+11110
+10110
+10111
+10101
+01111
+00111
+11100
+10000
+11001
+00010
+01010