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描述： The set [1,2,3,…,n] contains a total of n! unique permutations. By listing and labeling all of the permutations in order, We get the following seq 阅读全文
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原创文章，转载请注明：全排列的编码与解码：康托展开 By Lucio.Yang 一、康托展开：全排列到一个自然数的双射 X=an*(n-1)!+an-1*(n-2)!+...+ai*(i-1)!+...+a2*1!+a1*0!，ai为整数，并且0<=ai<i(1<=i<=n) 适用范围：没有重复元素 阅读全文
摘要：
描述： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement is not po 阅读全文