46 lines
1.0 KiB
Python
46 lines
1.0 KiB
Python
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str = ''
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data = {}
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letters = []
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with open('data', 'r') as fp:
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for line in fp:
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if(' -> ' in line):
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pair = line.strip().split(' -> ')
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data[pair[0]] = pair[1]
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elif(len(line) > 1):
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str = line.strip()
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for ch in str:
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if(not ch in letters):
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letters.append(ch)
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letters.sort()
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# # DEBUG(dev):
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# print(data)
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# print(str)
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# print(letters)
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for step in range(0, 40):
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new_str = ''
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for i in range(0, len(str) - 1):
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lookup = str[i:i+2]
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if(lookup in data.keys()):
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new_str += str[i] + data[lookup]
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else:
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new_str += str[i]
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new_str += str[-1]
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str = new_str
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print('Step ', step+1, ', length', len(str))
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# NOTE(dev): un-indent this (take it out of the for loop) for just a final answer
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counts = {}
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for ch in str:
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if(ch in counts):
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counts[ch] += 1
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else:
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counts[ch] = 1
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counts_list = list(counts.values())
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counts_list.sort()
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print(counts_list, counts_list[-1] - counts_list[0])
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