Upload day01

day01/golf.py

@@ -0,0 +1,3 @@
+d=sorted([sum(map(int,x))for x in[z.split()for z in open(0).read().split("\n\n")]]);print(d[-1],sum(d[-3:]))
+
+# 108 bytes, requires piped input. `cat input.txt | python3 golf.py`

day01/input_demo.txt

@@ -0,0 +1,14 @@
+1000
+2000
+3000
+
+4000
+
+5000
+6000
+
+7000
+8000
+9000
+
+10000

day01/solution.py

@@ -0,0 +1,41 @@
+# The data is a list of calories of each fooditem carried by the elves.
+# Each line is one item, just the number of calories.
+# Elves are separated by an empty line
+
+DEBUG = False
+
+# Read the input file into a list of elves, each of which is a list of calories
+with open("input.txt", "r") as f:
+    # Split on empty lines. Each elf into its own string.
+    data = f.read()[:-1].split("\n\n")
+
+    # Split on newlines. Each elf into its own array, with each line into its own string.
+    data = [x.split("\n") for x in data]
+    # Parse data to integer. Same as above, but each line is an integer.
+    data = [[int(y) for y in x] for x in data]
+
+if DEBUG: print("All data: ", data)
+
+
+# Part 1
+# Find the Elf carrying the most Calories. How many total Calories is that Elf carrying?
+
+sums = [sum(x) for x in data]
+if DEBUG: print("All sums: ", sums)
+
+# Sort the sums
+sums.sort()
+# print("Sorted sums: ", sums)
+
+print("======")
+print("Part 1: ", sums[-1])
+print("======")
+
+# Part 2
+# Find the top three Elves carrying the most Calories. How many Calories are those Elves carrying in total?
+
+if DEBUG: print("Top 3: ", sums[-3:])
+
+print("======")
+print("Part 2: ", sum(sums[-3:]))
+print("======")