24 lines
483 B
Python
24 lines
483 B
Python
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pswrange = [int(i) for i in open("input.txt").read().split("-")]
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valid = 0
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for i in range(pswrange[0], pswrange[1]):
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i = str(i)
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l = list(i)
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c = 0
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dec = False
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double = False
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while c < len(l)-1:
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if l[c] <= l[c+1]:
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pass
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else:
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dec = True
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break
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if f"{l[c]}{l[c]}" in i and not f"{l[c]}{l[c]}{l[c]}" in i:
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double = True
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c+=1
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if not dec and double:
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valid+=1
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print(valid)
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