2017年7月20日
[LeetCode] Find the Derangement of An Array 找数组的错排
摘要： In combinatorial mathematics, a derangement is a permutation of the elements of a set, such that no element appears in its original position. There's 阅读全文
posted @ 2017-07-20 14:05 Grandyang 阅读(4555) 评论(0) 推荐(0)
Fork me on GitHub