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 relative…
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 relative…
Given a string S and a string T, count the number of distinct subsequences of S which equals T. 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…
Given a string S and a string T, count the number of distinct subsequences of S which equals T. 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…
Distinct Subsequences Total Accepted: 38466 Total Submissions: 143567My Submissions Question Solution 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 fro…
原题地址 转化为求非重路径数问题,用动态规划求解,这种方法还挺常见的 举个例子,S="aabb",T="ab".构造如下地图("."表示空位,"^"表示起点,"$"表示终点),我们的目标就是求从起点到终点一共有多少条路径. a b a ^ . a . . b . . b . $ 对于任意一个位置,不妨设坐标为(i, j),则有:如果S[i]等于T[j],可以向下走也可以向右下走:否则只能向下走 设count…
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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/description/ 题目描述 Given a string S and a string T, count the number of distinct subsequences of S which equals…
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…
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 relative…
