TrieNode[] children=newTrieNode[26];intwordArrayIndex = -1;//keep the index for current string in the array//keeps the list of word indices in array where the substring(or prefix) is a palindromeList<Integer> list =newArrayList<>(); }publicList<List<Integer>>palindromePairs(String[] wor...
Fill in len1 as row. * len2 should be an integer array of size = len1 when len2[i] denotes the number of columns in Z[i]. * The strings should be terminated by '\0' * * For example, if the output was Z = [ ["abcd", "efg"], ["hij"], ["k", "l", "mn"] ]...
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Given a string S, your task is to find out how many different subsequence of S is palindrome. Note that for any two subsequence X = <Sx1, Sx2, ..., Sxk> and Y = <Sy1, Sy2, ..., Syk> , if there exist an integer i (1<=i<=k) such that xi != yi, the subsequence X a...
HashMap<String, Integer> map = new HashMap<>(); for(int i = 0; i < words.length; i++) map.put(words[i], i); for(int i = 0; i < words.length; i++){ for(int j = 0; j <= words[i].length(); j++){ String str1 = words[i].substring(0, j); ...
The following Python code uses recursion to determine whether an integer is a palindrome: def is_palindrome(num): str_num = str(num) if len(str_num) <= 1: return True else: if str_num[0] != str_num[-1]: return False else: return is_palindrome(str_num[1:-1]) print(is_...
Consider a positive integer N written in standard notation with k+1 digits ai as ak⋯a1a0 with 0 for all i and ak>0. Then N is palindromic if and only if ai=ak−i for all i. Zero is written 0...
In this java program, we are going to check whether a given number if palindrome or not? Here, we are taking an integer number and checking whether it is palindrome or not? Submitted by Preeti Jain, on March 11, 2018 Given an integer number and we have to check whether it is ...
public List<List<Integer>>subsets(int[]nums){List<List<Integer>>result=newArrayList<>();List<Integer>cell=newArrayList<>();dfs(nums,result,cell,0);returnresult;}publicvoiddfs(int[]nums,List<List<Integer>>result,List<Integer>cell,int start){//add 放在for的外面,new一个result.add(newArrayList...
Consider a positive integerN written in standard notation withk+1 digitsai asak⋯a1a0 with0≤ai<10 for alli andak>0. ThenN ispalindromicif and only ifai=ak−i for alli. Zero is written 0 ...