Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2.For example,Given:

Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.Note: You can only move either down or right at

A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).The robot can only move either down or right at any point in time. The robot is trying to reach the

Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)You have the following 3 operations permitted on a word:

Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word

Given a string S and a string T, count the number of distinct subsequences ofT in S.

Say you have an array for which the ith element is the price of a given stock on day i.If you were only permitted to complete at most one transaction (ie, buy one and sell one share of the stock), d

Given a string s, partition s such that every substring of the partition is a palindrome.Retrun

Given s string s and a dictionary of words dict, determine if s can be segmengted into a space-separated sequence of one or

Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the following triangle

最长公共子序列public class LCS{ public static String lcs(String a, String b) { int[][] lengths = new int[a.length()+1][b.length()+1]; // row 0 and column 0 are initialized to 0 al

问题：给定一个整数数组，返回数组的zuichangdizen