作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 动态规划 日期 题目地址:https://leetcode.com/problems/distinct-subsequences/description/ 题目描述 Given a string S and a string T, count the number of distinct subsequences of S which equals…
Description: Given two string S and T, you need to count the number of T's subsequences appeared in S. The fucking problem description is so confusing. Input: String s and t output: The number Analysis: It's a dynamic processing problem. I drew the d…
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作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 动态规划 日期 题目地址:https://leetcode.com/problems/distinct-subsequences-ii/description/ 题目描述 Given a string S, count the number of distinct, non-empty subsequences of S . Since the re…
Distinct Subsequences Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (can be none) of the characters without di…
题目如下: Given a string S, count the number of distinct, non-empty subsequences of S . Since the result may be large, return the answer modulo 10^9 + 7. Example 1: Input: "abc" Output: 7 Explanation: The 7 distinct subsequences are "a", &…
题目: Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (can be none) of the characters without disturbing the relat…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/problems/increasing-subsequences/description/ 题目描述 Given an integer array, your task is to find all the different possible increasing subsequences…
Populating Next Right Pointers in Each Node Given a binary tree struct TreeLinkNode { TreeLinkNode *left; TreeLinkNode *right; TreeLinkNode *next; } Populate each next pointer to point to its next right node. If there is no next right node, the next…