LeetCode 673. Number of Longest Increasing Subsequence 最长递增子序列的个数 (C++/Java)
题目:Givenanunsortedarrayofintegers,findthenumberoflongestincreasingsubsequence.Example1:Input:[1,3,5,4,7]Output:2Explanation:Thetwolongestincreasingsubsequenceare[1,3,4,7]and[1,3,5,7].Example2:Input:[2