James Pan

原题网址：https://leetcode.com/problems/permutation-sequence/ 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

原题网址：https://leetcode.com/problems/integer-break/ Given a positive integer n, break it into the sum of at least two positive integers and maximize the product of those integers. Return the maximu