「🎉」 init(2025): day 1

2024/day09/part1.py

@@ -0,0 +1,39 @@
+import os
+import os.path
+
+def checksum(hdd):
+    res = 0
+    for i in range(len(hdd)):
+        if hdd[i] != '.':
+            res += i * int(hdd[i])
+    return (res)
+
+def main():
+    file_path = "./input.txt"
+    if (os.path.isfile(file_path)):
+        content = open(file_path, "r").read()
+    else:
+        content = "2333133121414131402"
+
+    hdd = []
+
+    for i in range(len(content)):
+        if i % 2 == 0:
+            hdd.extend([i // 2 for x in range(int(content[i]))])
+        else:
+            hdd.extend(['.' for x in range(int(content[i]))])
+
+    print(hdd)
+
+    for i in range(len(hdd) - 1, -1, -1):
+        for j in range(len(hdd[:i])):
+            if (hdd[j] == '.'):
+                hdd[i], hdd[j] = hdd[j], hdd[i]
+                break
+    
+    print(checksum(hdd))
+
+
+
+if __name__ == '__main__':
+    main()