原题链接在这里:https://leetcode.com/problems/word-pattern-ii/ 题目: Given apatternand a stringstr, find ifstrfollows the same pattern. Here follow means a full match, such that there is a bijection between a letter inpatternand a non-empty substring instr. Examples: pattern ="abab", st...
* @return: a boolean*/boolwordPatternMatch(string&pattern,string&str) {//write your code hereunordered_map<char,string>m;intindex1 =0,index2 =0;returnwordPatternMatch(pattern,index1,str,index2,m); }boolwordPatternMatch(string&pattern,intindex1,string&str,intindex2,unordered_map<char,string...
1publicbooleanwordPatternMatch(String pattern,String str){2if(pattern==null||str==null){3returnfalse;4}56Map<Character,String>lookup=newHashMap<>();7Set<String>dup=newHashSet<>();89returnthis.isMatch(pattern,str,lookup,dup);10}1112// DFS recursion to list out all the possibilities13publi...
return wordPatternMatch(pattern,str,index1,index2,m); } bool wordPatternMatch(string pattern,string str,int index1,int index2,unordered_map<char,string> m){ if(index1 == pattern.size() && index2 == str.size()) return true; else if(index1 == pattern.size() || index2 == str.si...
LeetCode-Word_Pattern 技术标签: Leet Code Word Pattern题目: Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijection between a letter in pattern and a non-empty word in str. Examples: pattern = "abba", ...
Leetcode 290. Word Pattern Description 我也不知道为什么一个easy题目,被我写出了荡气回肠余音绕梁的感觉TAT题目描述是这样的:亲爱的你有一个pattern 比如"abba" 还有一个字串用空格分隔的,比如"cat dog dog cat" 你现在要看这两个是不是匹配呀~ Errors 愚蠢的我出错了无数次,硬生生把leetcode用成了debug...
1 // Reference: https://leetcode.com/problems/word-pattern/discuss/73402/8-lines-simple-Java 2 public boolean wordPattern(String pattern, String str) { 3 String[] words = str.split(" "); 4 if (words.length != pattern.length()) 5 return false; 6 Map index = new HashMap(); 7 ...
pattern = "abba", str = "dog dog dog dog" should return false. Notes: You may assume pattern contains only lowercase letters, and str contains lowercase letters separated by a single space. 大意: 给出一个模型和一个字符串,判断字符串是否遵循模型 这里的遵循是指全匹配,模型中的每个字母都映射...
leetcode 290[easy]---Word Pattern 难度:easy Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijection between a letter in&nb...查看原文数据结构与算法 学习笔记(8):字典、集合、哈希表 :290. Word Pattern Giv...
You may assume pattern contains only lowercase letters, and str contains lowercase letters separated by a single space. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 注意这是一一映射,也就是说如果a->dog, b->dog,就应该return false,所以应该在HashMap基础上再加一层检查,即若不含该key,加入map...