Day 9

2020/9.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+
+from aoc import get_input # AoC
+import re # regex
+
+nums = list(map(int, get_input(9).splitlines() ))
+
+
+def checkValid(nums, numsum):
+    for num1 in nums:
+        for num2 in nums:
+            if( num1 + num2 == numsum and num1 != num2 ):
+                return  [num1, num2], numsum
+
+    return False, numsum
+
+def checkIfNumValid( amble, index ):
+    prevNums = nums[index-amble:index]
+    numsum = nums[index]
+    sumnumbers, numsum2 = checkValid(prevNums, numsum)
+
+    return sumnumbers, numsum2
+
+
+amble = 25 # NOTE: CHANGE ME TO 25
+invalid, invalidindex = None, None
+
+for i in range(len(nums)):
+    if(i > amble-1):
+        valid = checkIfNumValid(amble, i)
+        if( not valid[0] ):
+            invalid, invalidindex = valid[1], i
+            break
+
+def sumlist(l):
+    ssum = 0
+    for num in l:
+        ssum += num
+    return ssum
+
+
+stop = False
+foundnums = []
+for i in range(len(nums)):
+    for rangei in range(len(nums)):
+        numlist = nums[i-rangei:i]
+        if( not invalid in numlist ):
+            sumnums = sumlist(numlist)
+
+            if(sumnums == invalid):
+                foundnums = numlist
+                stop = True
+                break
+    if(stop):
+        break
+
+minnum = min(foundnums)
+maxnum = max(foundnums)
+
+
+print("Part1:", invalid)
+print("Part2:", minnum + maxnum)