69 lines
529 B
Python
69 lines
529 B
Python
a = [6, 5, 4, 2, 6]
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# 1 . continuous integers randomly sorted
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# 2. min, max
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# 3. missing -> 3
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# 4. duplicate -> 6
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# similar to this hard LC question
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# https://leetcode.com/problems/first-missing-positive/
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def detect(l):
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pass
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assert detect(a) == (3, 6)
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[2,4,5,6,6]=23
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[2,3,4,5,6]=17
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min=2
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max=6
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=====
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6:2
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2:1
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5:1
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4:1
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=====
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2,3
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sum(keys)=17
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min=2
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max=6
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max-min=4
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[1,2,4]
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[1,2,3]
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min+...+max
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expect
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2+3+4+5+6
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20
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actual
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23
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2+3+4+5+6=20
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2+4+5+6+6=23
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missing = sum(actual) - sum(expected)
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duplicate =
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