66 lines
1.4 KiB
Python
Executable File
66 lines
1.4 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys
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def checksum(l):
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double = 0
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triple = 0
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for item in l:
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d, t = count_duplicate(item)
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double += d
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triple += t
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return double * triple
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def count_duplicate(item):
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double = 0
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triple = 0
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c = dict()
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for i in item:
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if i in c:
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c[i] += 1
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else:
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c[i] = 1
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for k,v in c.items():
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if v == 2:
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double = 1
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if v == 3:
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triple = 1
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#print(c)
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#print("{}: {}, {}".format(item, double, triple))
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return (double, triple)
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def compare(item, l):
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for candidate in l:
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if candidate == item:
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continue
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diff = 0
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x = 0
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while x < len(item):
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if item[x] != candidate[x]:
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diff += 1
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x += 1
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if diff > 1:
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break
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#if diff > 1:
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# print("{} does not match {}: {} different".format(item, candidate, diff))
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if diff == 1:
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return candidate
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def common(x, y):
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i = 0
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common = ""
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while i < len(x):
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if x[i] == y[i]:
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common += x[i]
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i += 1
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return common
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if __name__ == '__main__':
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l = sys.stdin.readlines()
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print(checksum(l))
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for item in l:
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z = compare(item, l)
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if z is not None:
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print("{} / {}".format(item, z))
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print(common(item, z))
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break
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