day 4

Author: duckyluuk

4/4.py

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+# allow importing from parent folder
+import sys
+sys.path.append('../AOC-2024')
+
+from utils.readfile import *
+from utils.calc import *
+from utils.graph import *
+from utils.util import *
+import re
+import math
+import copy
+import numpy as np
+from itertools import combinations, permutations, product
+import re
+import time
+
+
+grid = read_raw_text("4")
+width = grid.index("\n")+1
+
+start_time = time.time()
+
+
+print("PART 1:")
+
+n = 0
+for i in range(len(grid)):
+    if grid[i]=="X":
+        for x in [1,-1,width,-width,width-1,width+1,-width+1,-width-1]:
+            n += grid[i::x][:4] == "XMAS"
+
+print(n)
+
+
+
+print("PART 2:")
+
+n = 0
+for i in range(width, len(grid) - width - 1):
+    if grid[i]=="A":
+        l = grid[i-width-1] + grid[i+width+1] 
+        m = grid[i-width+1] + grid[i+width-1]
+        n += (m in ["MS", "SM"]) and l in ["MS", "SM"]
+
+print(n)

4/4.rock

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+isnum wants num
+val = num
+cut it
+for x in val
+if x < "0" or x > "9"
+give 0
+
+
+cast num with 10
+give num
+
+
+solve takes the line
+test = the line
+n = 0
+res = 0
+cut the line with "mul("
+roll it
+for x in the line
+cut x with ")"
+x = roll x
+cut x with ","
+if x = 2
+num = 1
+num = num * isnum taking x at 0
+num = num * isnum taking x at 1
+res = res + num
+
+
+give res
+
+
+something = 1
+while it isnt silent
+the input is with it
+listen to something
+
+
+say solve taking the input
+final = 0
+cut the input with "do()"
+for x in the input
+cut x with "don't()"
+v = x at 0
+final is with solve taking v
+
+say final