Math Problem Statement
Cho n là số nguyên dương lẻ. Tìm tất cả các hoán vị p của {1,2,...,n} sao cho: |p(1) − 1| + |p(2) − 2| +... +|p(n) −n| = n2 −1
Solution
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Math Problem Analysis
Mathematical Concepts
Permutations
Absolute Value
Combinatorics
Formulas
|p(i) - i| where p(i) is a permutation element
Sum of absolute deviations: |p(1) - 1| + |p(2) - 2| + ... + |p(n) - n|
Theorems
Permutation Theory
Absolute Value Properties
Suitable Grade Level
Grades 11-12
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