90 lines
1.8 KiB
Python
90 lines
1.8 KiB
Python
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import fileinput
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data = []
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for inp in fileinput.input():
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val = inp.strip()
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if val != '':
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data.append(val)
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commons = []
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epsilon = []
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gamma = []
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charLen = len(data[0])
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lineLen = len(data)
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for i in range(charLen):
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count = 0
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for j in range(lineLen):
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if data[j][i] == '1':
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count += 1
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status = 'lt'
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#print(count, lineLen-count)
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if count == (lineLen-count): status = 'eq'
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if count > (lineLen-count): status = 'gt'
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if status == 'gt':
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most,least = '1', '0'
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else:
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most,least = '0', '1'
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gamma.append(most)
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epsilon.append(least)
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commons.append((status, most, least))
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g = int(''.join(gamma), 2)
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e = int(''.join(epsilon), 2)
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def get_distribution(nbs):
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out = []
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for _i in range(len(nbs[0])):
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count = 0
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for _j in range(len(nbs)):
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if nbs[_j][_i] == '1': count += 1
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status = 'lt'
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if count == (len(nbs)-count): status = 'eq'
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if count > (len(nbs)-count): status = 'gt'
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most,least = ('1', '0') if status == 'gt' else ('0', '1')
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out.append((status, most, least))
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return out
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def filter_item(mode, status, most, least, x, i, full):
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print(f'{mode=}, {status=}, {most=}, {least=}, {x=}, {i=}, {full=}')
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if mode:
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if status == 'eq':
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return x == '1' # oxygen
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if x == most: return True
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if not mode: # co2
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if status == 'eq':
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return x == '0'
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if x == least: return True
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return False
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def rating(inp, mode = True):
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nb = inp.copy()
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i = 0
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while len(nb) > 1:
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distri = get_distribution(nb)
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print(f'= {len(nb)} -> {nb} {distri=}')
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status, most, least = distri[i]
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nb = list(filter(lambda x: filter_item(mode, status, most, least, x[i], i, x), nb))
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i += 1
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print(f'after filter: {nb}')
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return int(nb[0], 2)
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print(g, e)
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print(g*e)
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print(commons)
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o = rating(data, True)
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c = rating(data, False)
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print('==')
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print(o) # oxygen
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print(c) # CO2
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print(o*c)
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