摘要:
Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.计算N皇后的合法解的数量。解题思路:这次使用了更优化的... 阅读全文
摘要:
Find thekth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element.For exampl... 阅读全文