Day01

2025/gareth/day01/poc.py

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+def part1(input_file):
+    file = open(input_file, "r")
+    line = file.readline()
+
+    position = 50
+    output = 0
+    while line:
+        direction = line[0]
+        amount = int(line[1:])
+
+        if direction == "R":
+            position += amount
+            while position > 99:
+                position -= 100
+
+        elif direction == "L":
+            position -= amount
+            while position < 0:
+                position += 100
+
+        if position == 0:
+            output += 1
+
+        line = file.readline()
+
+    file.close()
+    print("Part 1:", output)
+
+def part2(input_file):
+    position = 50
+    output = 0
+
+    with open(input_file) as file:
+        for line in file:
+            line = line.strip()
+            direction = line[0]
+            amount = int(line[1:])
+
+            step = 1 if direction == "R" else -1
+
+            for _ in range(amount):
+                position = (position + step) % 100
+                if position == 0:
+                    output += 1
+
+    print("Part 2:", output)
+
+part1("input.txt")
+part2("input.txt")