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Permutation/8/25731486/Inversions/Sign/Exercise
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Compute, for the
permutation
x
{\displaystyle {}x}
1
{\displaystyle {}1}
2
{\displaystyle {}2}
3
{\displaystyle {}3}
4
{\displaystyle {}4}
5
{\displaystyle {}5}
6
{\displaystyle {}6}
7
{\displaystyle {}7}
8
{\displaystyle {}8}
σ
(
x
)
{\displaystyle {}\sigma (x)}
2
{\displaystyle {}2}
5
{\displaystyle {}5}
7
{\displaystyle {}7}
3
{\displaystyle {}3}
1
{\displaystyle {}1}
4
{\displaystyle {}4}
8
{\displaystyle {}8}
6
{\displaystyle {}6}
the number of
inversions
and the
sign
.
Create a solution
