day22

day22.py

@@ -0,0 +1,92 @@
+from tools.aoc import AOCDay
+from tools.coordinate import Coordinate
+from tools.grid import Grid
+from typing import Any
+
+
+class Node:
+    def __init__(self, size: int, used: int):
+        self.size = size
+        self.used = used
+
+    @property
+    def avail(self) -> int:
+        return self.size - self.used
+
+
+class Day(AOCDay):
+    inputs = [
+        [
+            (1024, "input22"),
+        ],
+        [
+            (230, "input22"),
+        ],
+    ]
+
+    def parse_input(self) -> Grid:
+        grid = Grid(default=None)
+        for line in self.getInput():
+            if not line.startswith("/dev/grid"):
+                continue
+
+            node_path, size, used, avail, use_perc = line.split()
+            node_name = node_path.split("/")[-1]
+            str_x, str_y = node_name.split("-")[-2:]
+            grid.set(Coordinate(int(str_x[1:]), int(str_y[1:])), Node(int(size[:-1]), int(used[:-1])))
+
+        return grid
+
+    def part1(self) -> Any:
+        grid = self.parse_input()
+        ans = 0
+
+        for c1 in grid.getActiveCells():
+            for c2 in grid.getActiveCells():
+                if c1 == c2 or grid.get(c1).used == 0:
+                    continue
+
+                if grid.get(c1).used <= grid.get(c2).avail:
+                    ans += 1
+
+        return ans
+
+    def part2(self) -> Any:
+        grid = self.parse_input()
+        moves = 0
+
+        pos = None
+        for c in grid.getActiveCells():
+            if grid.get(c).used == 0:
+                pos = c
+                break
+
+        # move to the "wall"
+        while grid.get(pos + (0, -1)).used < 100:
+            pos += (0, -1)
+            moves += 1
+
+        # move left to get around the "wall"
+        while grid.get(pos + (0, -1)).used > 100:
+            pos += (-1, 0)
+            moves += 1
+
+        # move up to top
+        moves += pos.y
+        pos += (0, -pos.y)
+
+        # move to the right
+        moves += grid.maxX - pos.x - 1
+
+        # move data to the left
+        moves += (grid.maxX - 1) * 5
+
+        # last step
+        moves += 1
+
+        return moves
+
+
+if __name__ == "__main__":
+    day = Day(2016, 22)
+    day.run(verbose=True)

inputs/input22_test

@@ -0,0 +1,11 @@
+root@ebhq-gridcenter# df -h
+Filesystem            Size  Used  Avail  Use%
+/dev/grid/node-x0-y0   10T    8T     2T   80%
+/dev/grid/node-x0-y1   11T    6T     5T   54%
+/dev/grid/node-x0-y2   32T   28T     4T   87%
+/dev/grid/node-x1-y0    9T    7T     2T   77%
+/dev/grid/node-x1-y1    8T    0T     8T    0%
+/dev/grid/node-x1-y2   11T    7T     4T   63%
+/dev/grid/node-x2-y0   10T    6T     4T   60%
+/dev/grid/node-x2-y1    9T    8T     1T   88%
+/dev/grid/node-x2-y2    9T    6T     3T   66%