from lib import str_to_ints
from dataclasses import dataclass
from collections import defaultdict


data = """ 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%
"""


@dataclass
class Node:
    id: int
    x: int
    y: int
    size: int
    used: int
    avail: int
    usep: int


def get_nodes(data):
    return [Node(i, *str_to_ints(line)) for i, line in enumerate(data.splitlines()[2:])]


def part_1(data):
    c = 0
    nodes = get_nodes(data)
    for a in nodes:
        for b in nodes:
            if a is not b and a.used != 0 and a.used <= b.avail:
                c += 1
    print(c)


def part_2(data):
    nodes = get_nodes(data)

    empty = None
    for n in nodes:
        if n.usep < 50:
            assert empty is None
            empty = (n.x, n.y)
    assert empty is not None

    grid = defaultdict(dict)
    for n in nodes:
        grid[n.x][n.y] = n
    cols = len(grid)

    steps = 0
    steps += empty[1] # move space to y=0
    steps += ((cols - 2) - empty[0]) # move space to x=cols-1

    # shuffle target cell to (0, 0) via empty space
    steps += ((cols - 2) * 5)
    steps += 1

    # Account for the fact that there is a "barrier" through which we cannot
    # move the space. This can be seen by uncommenting the grid print code
    # below. Might have been better to code a proper search from the beginning.
    # Clearly he enjoyed setting a bit of a trap there.
    steps += 15 - 3

    # for y in range(rows):
    #     for x in range(cols):
    #         print(f"{grid[x][y].used:2} ", end='')
    #     print()

    print(steps)


def main():
    data = open(0).read().strip()
    part_1(data)
    part_2(data)


if __name__ == "__main__":
    main()