27 lines
530 B
Python
27 lines
530 B
Python
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import sys
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def hash(l):
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c = 0
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for w in l:
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c += ord(w)
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c *= 17
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c = c % 256
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return c
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B = [ dict() for _ in range(256) ]
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for l in sys.stdin.read().split(','):
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e = l.find('=')
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d = l.find('-')
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i = max(e,d)
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lbl = l[:i]
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box = hash(lbl)
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if e > 0: # set
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v = int(l[i+1:])
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B[box][lbl] = v
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elif d > 0: # remove
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if lbl in B[box]:
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del B[box][lbl]
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print(sum((i+1)*(j+1)*v for i, b in enumerate(B) for j,(k,v) in enumerate(b.items())))
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