did day 1 in lua for fun

2024/day1/main.lua

@@ -0,0 +1,57 @@
+-- Parse Input
+
+local file = io.open("input.text", "r")
+
+io.input(file)
+
+local left = {}
+local right = {}
+
+local i = 1
+while true do
+    local line = io.read()
+
+    if line == nil then break end
+
+    local l = true
+    for str in string.gmatch(line, "%S+") do
+        if l then
+            left[i] = tonumber(str)
+            l = not l
+        else
+            right[i] = tonumber(str)
+            i = i + 1
+        end
+    end
+
+end
+
+-- Part 1
+
+table.sort(left)
+table.sort(right)
+
+local total = 0
+for i, n in ipairs(left) do
+    total = total + math.abs(n - right[i])
+end
+
+print("Part 1: "..total)
+
+-- Part 2
+function count(a, m)
+    local c = 0
+    for _, n in ipairs(a) do
+        if n == m then
+            c = c + 1
+        end
+    end
+    return c
+end
+
+total = 0
+for i, n in ipairs(left) do
+    total = total + (n * count(right, n))
+end
+
+print("Part 2: "..total)

2024/day1/main.py

@@ -1,32 +1,32 @@
-with open('input.text', 'r') as file:
+with open('input.text', 'r') as file:
-    data: list[str] = file.readlines()
+    data: list[str] = file.readlines()
-
+
-# Parse Input
+# Parse Input
-
+
-left = []
+left = []
-right = []
+right = []
-
+
-for line in data:
+for line in data:
-    nums = line.split()
+    nums = line.split()
-
+
-    left.append(int(nums[0]))
+    left.append(int(nums[0]))
-    right.append(int(nums[1]))
+    right.append(int(nums[1]))
-
+
-# Part 1
+# Part 1
-
+
-left.sort()
+left.sort()
-right.sort()
+right.sort()
-
+
-total = 0
+total = 0
-for i, n in enumerate(left):
+for i, n in enumerate(left):
-    total += abs(n - right[i])
+    total += abs(n - right[i])
-
+
-print(f'Part 1: {total}')
+print(f'Part 1: {total}')
-
+
-# Part 2
+# Part 2
-
+
-total = 0
+total = 0
-for i, n in enumerate(left):
+for i, n in enumerate(left):
-    total += n * right.count(n)
+    total += n * right.count(n)
-
+
-print(f'Part 2: {total}')
+print(f'Part 2: {total}')

2024/day1/test.text

@@ -1,6 +1,6 @@
-3   4
+3   4
-4   3
+4   3
-2   5
+2   5
-1   3
+1   3
-3   9
+3   9
 3   3