39 lines
946 B
Python
39 lines
946 B
Python
import sys
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from collections import defaultdict
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cmds = open("input").read().split("$")
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cwd = []
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sizes = defaultdict(lambda: 0)
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for cmd in cmds:
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cmd = cmd.strip()
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if not cmd:
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continue
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print(cmd)
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if cmd.startswith("cd "):
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dir = cmd.split()[1]
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if dir == "..":
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cwd.pop()
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elif dir == "/":
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cwd = []
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else:
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cwd.append(dir)
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elif cmd.startswith("ls\n"):
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files = cmd.splitlines()[1:]
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for file in files:
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sz, name = file.split()
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if sz == 'dir':
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pass
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else:
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print(cwd, name, sizes)
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for i in range(len(cwd)+1):
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sizes['/'.join(cwd[:i])] += int(sz)
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else:
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print("bad command:" +cmd)
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print(sizes)
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print(sum(sz for sz in sizes.values() if sz <= 100000))
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print(min(sz for sz in sizes.values() if 70000000 - sizes[''] + sz >= 30000000))
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