day 09.2024

2024/day09.py

@@ -5,6 +5,7 @@
 
 import sys,time
 from helpingFunctions import *
+from collections import defaultdict,deque
 
 setSampleMode(False)
 
@@ -13,9 +14,61 @@ aocYear = identifyYear(sys.argv[0])
 
 path = getPath2Data(aocDay,aocYear)
 filename = getFilename2Data(aocDay)
-    
+
+def buildBlocks(data):
+    dataBlocks=[]
+    for inputData in range(0,len(data[0])-2,2):
+        dataBlocks.append((int(data[0][inputData]),int(data[0][inputData+1])))
+    dataBlocks.append((int(data[0][inputData+2]),0))
+    return dataBlocks
+
+def expandDataBlock(inputData, dataBlock):
+    expDataBlock=[]
+    for i in range(0,dataBlock[0]):
+        expDataBlock.append(str(inputData))
+    for i in range(0,dataBlock[1]):
+        expDataBlock.append(None)
+    return expDataBlock
+
+def cleanUpString(data):
+    data = deque(data)
+    res = []
+    while data:
+        value = data.popleft()
+        if value == None:
+            while data and value == None:
+                value = data.pop()
+        if value != None:
+            res.append(value)
+    return res
+
+#def cleanUpString(data):
+#    for i in range(0,len(data)):
+#        if i >= len(data):
+#            break
+#        if data[i] == '.':
+#            for j in range(len(data)-1,0,-1):
+#                if i==j:
+#                    return data
+#                if data[j] != '.':
+#                    #data = data[:i]+data[j]+data[i+1:j]+"."+data[j+1:len(data)]
+#                    data = data[:i]+data[j]+data[i+1:j]
+#                    break
+#    return data
+
+def checksumme(data):
+    ret = 0
+    for i in range(0,len(data)):
+        ret = ret+(i*int(data[i]))
+    return ret
+
 def taskA (data) -> int:
+    expandedData=[]
     gameScoreA = 0
+    dataBlocks=buildBlocks(data)
+    for i in range(len(dataBlocks)):
+        expandedData = expandedData + expandDataBlock(i,dataBlocks[i])
+    gameScoreA = checksumme(cleanUpString(expandedData))
     return gameScoreA
 
 def taskB (data) -> int:

2024/day09/day09a.py

@@ -0,0 +1,67 @@
+import sys
+from collections import deque
+
+def Checksum(arr):
+    total = 0
+    for n, num in enumerate(arr):
+        if num != None:
+            total += n * num
+    return total
+
+L = open('/home/bandeira/git.bandeira/aoc/2024/day09/input.day09').read().strip().split('\n')
+SPACES =  []
+FILES = []
+l = L[0]
+pos = 0
+line = []
+file = True
+fid = 0
+for ch in list(l):
+    if file == True:
+        line.extend([fid for _ in range(int(ch))])
+        FILES.append((fid, int(ch), pos))
+        fid += 1
+    else:
+        line.extend([None for _ in range(int(ch))])
+        SPACES.append((pos, int(ch)))
+    pos += int(ch)
+    file ^= True
+LEN = pos
+
+dq = deque(line)
+nl = []
+while dq:
+    h = dq.popleft()
+    if h == None:
+        while dq and h == None:
+            h = dq.pop()
+    if h != None:
+        nl.append(h)
+print(Checksum(nl))
+
+p2 = [None] * LEN
+
+for item in reversed(FILES):
+    num, req, atpos = item
+    moved = False
+    for s in range(len(SPACES)):
+        spos, slen = SPACES[s]
+        if spos > atpos:
+            break
+        if slen >= req:
+            pos = spos
+            SPACES[s] = (spos + req, slen - req)
+            for _ in range(req):
+                p2[pos] = num
+                pos += 1
+            moved = True
+            if SPACES[s][1] == 0:
+                del SPACES[s]
+            break
+
+    if not moved:
+        pos = item[2]
+        for _ in range(req):
+            p2[pos] = item[0]
+            pos += 1
+print(Checksum(p2))

2024/day09/sample.day09

@@ -0,0 +1 @@
+2333133121414131402