id int64 1 3.58k | problem_description stringlengths 516 21.8k | instruction int64 0 3 | solution_c dict |
|---|---|---|---|
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n vector<vector<string>> findLadders(string beginWord, string endWord,\n vector<string>& wordList) {\n \n unordered_map<string,unordered_set<string>> adjList, parents;\n unordered_map<string,int> distance;\n\n for(auto &s:wordList){\n ... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n vector<vector<string>> findLadders(string beginWord, string endWord,\n vector<string>& wordList) {\n unordered_map<string, vector<string>> neighborMap;\n bool isIn = false;\n bool endIn = false;\n int N = wordL... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "#include <vector>\n#include <string>\n#include <unordered_map>\n#include <unordered_set>\n#include <algorithm>\n#include <climits>\n\nusing namespace std;\n\nclass Solution {\npublic:\n vector<vector<string>> findLadders(string beginWord, string endWord, vector<string>& wordList) {\n wordList.pus... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n\n void bfs(unordered_map<string, vector<string>> &adj, unordered_map<string,vector<string>> &parent, string start, vector<string> &wordList)\n {\n // dist will contain shortest distance\n // from start to every other vertex\n unordered_map<string,int> ... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n void backTrack(vector<vector<string>>& res, vector<string> v, int level, unordered_map<string, int>& m){\n if(level == 1){\n reverse(v.begin(), v.end());\n res.push_back(v);\n return;\n }\n string cur = v.back();\n ... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\nprivate:\n queue<string> bfs_traversal;\n bool end_word_reached;\n \n vector<vector<string>> word_ladder;\n \n unordered_set<string> word_list;\n \n unordered_map<string, unordered_set<string>> parent_list;\n \n unordered_map<string, int> shortest_pat... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n\n void backtrack(int curnode, vector<int>& path, vector<vector<int>>& sols,\n int& sourcenode, vector<set<int>>& parent) {\n if(curnode == sourcenode) {\n sols.push_back(path);\n return;\n }\n for(auto &p : parent[... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n void dfs(string s,unordered_map<string,int> &mpp, vector<vector<string>> &ans,vector<string> temp,string &beginWord){\n if(s==beginWord){\n reverse(temp.begin(),temp.end());\n ans.push_back(temp);\n return;\n }\n int num=m... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Node{\npublic:\n string word;\n list<string> nbrs;\n\n Node(string word){\n this->word = word;\n }\n};\nclass Graph{\nprivate:\n unordered_map<string,Node*> m;\npublic:\n Graph(vector<string> words){\n for(int i=0;i<words.size();i++){\n m[words[i]] = new Nod... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Node{\npublic:\n string word;\n list<string> nbrs;\n\n Node(string word){\n this->word = word;\n }\n};\nclass Graph{\nprivate:\n unordered_map<string,Node*> m;\npublic:\n Graph(vector<string> words){\n for(int i=0;i<words.size();i++){\n m[words[i]] = new Nod... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Node{\npublic:\n string word;\n list<string> nbrs;\n\n Node(string word){\n this->word = word;\n }\n};\nclass Graph{\nprivate:\n unordered_map<string,Node*> m;\npublic:\n Graph(vector<string> words){\n for(int i=0;i<words.size();i++){\n m[words[i]] = new Nod... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n void dfs(string cur, vector<string> seq,unordered_map<string,int> &mp, vector<vector<string>>&ans){\n if(mp[cur] == 1){\n reverse(seq.begin(),seq.end());\n ans.push_back(seq);\n return;\n }\n string word = cur;\n fo... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n void dfs(string node,vector<string> temp,vector<vector<string>> &ans,\n map<string,int> &mpp,string beginWord,unordered_set<string> &List){\n for(int i=0;i<node.length();i++){\n string str=node;\n for(char j='a';j<='z';j++){\n st... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n\n void bfs(unordered_map<string, vector<string>> &adj, unordered_map<string,vector<string>> &parent, string start, vector<string> &wordList)\n {\n // dist will contain shortest distance\n // from start to every other vertex\n unordered_map<string,int> ... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n unordered_set<string>wordSet;\n unordered_map<string,vector<string>>next;\n unordered_map<string,unordered_set<string>>prev;\n vector<vector<string>>results;\n string beginWord;\n \n vector<vector<string>> findLadders(string beginWord, string endWord, vector... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n vector<vector<string>> findLadders(string beginWord, string endWord, vector<string>& wordList) {\n \n // int wordLen = wordList.size();\n vector<vector<string>>ans;\n \n unordered_map<string,int>AllStrings;\n for(int i = 0 ; i < wordLis... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int diff(string a, string b){\n int tot =0 ;\n for(int i=0;i<a.size();i++) if(a[i]!=b[i]) tot++;\n return tot;\n }\n vector<vector<string>> findLadders(string beginWord, string endWord, vector<string>& wordList) {\n unordered_map<string, int>... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n class Trie {\n std::optional<std::array<Trie*, 26>> m_children = std::nullopt;\n public:\n Trie() = default;\n ~Trie() {\n if (m_children) {\n for (auto& c : *m_children) {\n delete c;\n }\n ... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\n unordered_map<string, int> ids;\n unordered_map<int, string> id_str;\n using graph_t = unordered_map<int, vector<int>>;\n\n // return id of the word, if it doesn't exists, it will create one\n int getId(const string &word) {\n auto res = ids.emplace(word, ids.size()... |
126 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n string b;\n void dfs(string word, vector<string> &v, unordered_map<string,int> mp, vector<vector<string>> &ans){\n if(word == b) {\n reverse(v.begin(), v.end()); \n ans.push_back(v);\n reverse(v.begin(), v.end()); \n retur... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\n // s and t must have same length\n bool differBy1(string_view s, string_view t) {\n bool diff = false;\n for (auto i = s.begin(); const auto c : t) {\n if (*i++ != c) {\n if (diff) {\n return false;\n }\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\nprivate:\n static constexpr int N = 5000;\n string* dict[N];\n string* path[N]; \n int word_len = 0;\n\n bool candidate(string* curr, string* word) {\n int count = 0;\n for (int i = 0; i < word_len; i++) {\n if ((*curr)[i] != (*word)[i]) {\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n if (beginWord == endWord) {\n return 1;\n }\n auto it = find(wordList.begin(), wordList.end(), endWord);\n if (it == wordList.end()) {\n return 0... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\npublic: \n // TODO: use memoization\n\n int dist(string a, string b) {\n int result = 0, n = a.size();\n for(int i=0; i<n; i++) {\n result += (a[i] != b[i]);\n }\n return result;\n }\n\n int ladderLength(string beginWord, string endWor... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n int n=wordList.size();\n bool sd=false;\n for(int i=0;i<n;i++)\n {\n if(wordList[i]==endWord) sd=true;\n }\n if(!sd) return 0;\n\n queu... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n int n=wordList.size();\n bool sd=false;\n for(int i=0;i<n;i++)\n {\n if(wordList[i]==endWord) sd=true;\n }\n if(!sd) return 0;\n\n queu... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\npublic:\n bool isValid(string begin, string end){\n if(begin.size() != end.size())\n return false;\n bool differs = false;\n for(int i =0; i < begin.size(); i++){\n if(begin[i] != end[i]){\n if(!differs){\n di... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 0 | {
"code": "class Solution {\npublic:\n bool isValid(string begin, string end){\n if(begin.size() != end.size())\n return false;\n bool differs = false;\n for(int i =0; i < begin.size(); i++){\n if(begin[i] != end[i]){\n if(!differs){\n di... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 2 | {
"code": "class Solution {\npublic:\n \n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_set<string>wordSet(wordList.begin(),wordList.end());\n unordered_set<string>vis;\n queue<string> que;\n que.push(beginWord);\n vis.insert(beginWord);\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 2 | {
"code": "#define pii pair<int,int>\nclass Solution {\npublic:\n int ladderLength(string a, string b, vector<string>& v) {\n ios_base::sync_with_stdio(0), cin.tie(0);\n\n // If the end word is not in the word list, return 0 (no possible transformation)\n if (find(v.begin(), v.end(), b) == ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 2 | {
"code": "class Solution {\npublic:\n int ladderLength(string start, string end, vector<string>& wordList) {\n int n = start.size();\n unordered_set<string> dict(wordList.begin(), wordList.end());\n unordered_map<string, bool> used;\n used[start] = true;\n queue<pair<string,int>... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 2 | {
"code": "struct Node\n{\n bool is_visited_ = false;\n const string * word_ptr_;\n vector<Node*> neighbors_;\n\n Node(const string & word) : word_ptr_(&word) {}\n\n bool is_visited() const\n {\n return is_visited_;\n }\n\n void set_visited()\n {\n is_visited_ = true;\n }\n... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n map<string, bool> mp;\n for(auto &x:wordList) mp[x]=true;\n if(beginWord == endWord) return 1;\n queue<pair<string, int>> q;\n q.push({beginWord, 1});\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\nprivate:\n vector<string> transform(string& word, unordered_set<string>& wordSet, unordered_set<string>& seen) {\n vector<string> nextWords;\n\n for (int i = 0; i < word.length(); i++) {\n string fuzzWord = word;\n for (char ch = 'a'; ch <= 'z'; ch++... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n int wordLen = beginWord.size();\n unordered_set<string> dictSet(wordList.begin(), wordList.end());\n queue<string> wordQue;\n wordQue.push(beginWord);\n int tim... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\nint cmpStrng(string s1, string s2) {\n int cnt = 0;\n if (s1.size() != s2.size()) return -1;\n \n for (int i = 0; i < s1.size(); i++) {\n if (s1[i] != s2[i]) cnt++;\n }\n return cnt;\n}\n\nint ladderLength(string beginWord, string endWord, vector<string>&... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool compare(string a,string b){\n int cnt=0;\n for(int i=0;i<a.size();i++) if(a[i]!=b[i]) cnt++;\n return cnt<=1;\n }\n int shortest(int start,int end,vector<int> adj[],int n){\n vector<int> dist(n+1,1e9);\n vector<bool> vis(n+1,false... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool compare(string a,string b){\n int cnt=0;\n for(int i=0;i<a.size();i++) if(a[i]!=b[i]) cnt++;\n return cnt<=1;\n }\n int shortest(int start,int end,vector<int> adj[],int n){\n vector<int> dist(n+1,1e9);\n vector<bool> vis(n+1,false... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n typedef long long ll;\n typedef vector<ll> vl;\n typedef vector<vl> vvl;\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n wordList.push_back(beginWord);\n ll n = wordList.size();\n vvl adj(n);\n map<string... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n\n bool isOnlyOneCharDiff(string &s1, string &s2) {\n int diff = 0;\n for(int i=0; i<s1.size(); i++) {\n if (s1[i] != s2[i]) {\n diff++;\n }\n if (diff > 1)\n return 0;\n }\n return diff == ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\n bool dif(string a, string b) {\n int cnt = 0;\n for(int i = 0; i < a.size(); i++) {\n if(a[i] != b[i])\n ++cnt;\n }\n \n return (cnt == 1);\n }\n \npublic:\n int ladderLength(string beginWord, string endWord, vector... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n map<int,vector<int>> adj;\n wordList.insert(wordList.begin(),beginWord);\n int endIndex=-1;\n for(int i=0;i<wordList.size();i++)\n {\n if(wordList[i]... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int eq(string &s,string&t)\n { int count=0;\n for(int i=0;i<s.size();i++)\n { \n if(s[i]!=t[i])count++;\n if(count>1)return 0;\n\n }\n\n return 1;\n }\n int ladderLength(string beginWord, string endWord, vector<str... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n vector<string> palavras;\n map<string, int> mapa;\n int n = 1;\n\n palavras.push_back(beginWord);\n mapa[beginWord] = 0;\n\n for (string &s : wordList){\... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string begin, string end, vector<string>list) {\n list.push_back(begin);////\n int n=list.size();\n int m=list[0].size();\n vector<vector<int>>adj(n);\n for(int i=0; i<n; i++){\n for(int j=0; j<n; j++){\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n unordered_set<string>st;\n unordered_map<string,int>vis,dist;\n void f(string x){\n dist[x] = 0;\n vis[x] = 1;\n queue<string>qu;\n qu.push(x);\n while(!qu.empty()){\n string temp = qu.front();\n qu.pop();\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "#include <algorithm>\n#include <unordered_set>\n#include <deque>\n\nclass Solution {\nprivate:\n bool adjacent(string s1, string s2) {\n int diff = 0;\n for (int i=0; i<s1.size(); i++) {\n if (s1[i] != s2[i]) {\n diff++;\n if (diff > 1) return false... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "constexpr uint32_t g_max_distance = 999999;\n\n// Indices of adjacent nodes for each node.\nusing GraphConnectivity = std::vector<std::vector<uint32_t>>;\n\n// Minimal distance to each graph node.\nusing GraphNodesDistance = std::vector<uint32_t>;\n\nclass Solution {\npublic:\n int ladderLength(string b... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int vis[5000 + 1];\n bool diff_one(const string& s1, const string& s2) {\n bool d = false;\n for (int i = 0; i < s1.size(); ++i) {\n if (!d && s1[i] != s2[i]) d = true;\n else if (d && s1[i] != s2[i]) return false;\n }\n re... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int vis[5000 + 1];\n bool diff_one(const string& s1, const string& s2) {\n bool d = false;\n for (int i = 0; i < s1.size(); ++i) {\n if (!d && s1[i] != s2[i]) d = true;\n else if (d && s1[i] != s2[i]) return false;\n }\n re... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\n\n int bfs(vector<vector<int>>& graph,int startNode,string beginWord,string endWord,vector<string>& wordList){\n queue<pair<int,int>> q;\n vector<bool> vis(graph.size());\n q.push({startNode,1});\n while(!q.empty()){\n pair<int,int> fr=q.front();\... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n queue<string>q;\n set<string>s, visited;\n for(auto i : wordList)s.insert(i);\n q.push(beginWord);\n \n int cnt = 0;\n\n while(!q.empty())\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_map<string, int> mp;\n int n = wordList.size();\n string str;\n char c, prev;\n for(int i = 0; i < n; i++) {\n mp[wordList[i]] = i;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n\n int shortestPathLength(vector<vector<int>> &graph, int a, int b) {\n queue<pair<int, int>> q;\n vector<int> vis(graph.size(), -1);\n q.push({a, 1});\n vis[a] = 1;\n while(!q.empty()) {\n int node = q.front().first;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution\n{\n static constexpr int s_iMaxWordLen = 10;\n static constexpr int s_iLettersNum = 26;\n\n struct SGraphNode\n {\n inline void AddNeighNode(short sNodeIdx)\n {\n sNeighNode[ucNeighNum++] = sNodeIdx;\n }\n\n unsigned char ucNeighNum = 0;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Node{\n public:\n string val;\n vector<Node*> list;\n Node(string _val){\n val=_val;\n }\n};\n\nclass Solution {\npublic:\n int ladderLength(string startGene, string endGene, vector<string>& bank) {\n map<string, Node*> graph;\n map<string, b... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "// What's the unknown? The minimum # of words to transform beginWord to endWord, \n// given the words in wordList as possible transformations\n// What's the data? We're given beginWord, endWord, wordList, where wordList may contain\n// a sequence from beginWord to endWord\n// What's the condition? Each adj... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList){\n unordered_set<string> s1;\n for(string&x:wordList) s1.insert(x);\n unordered_map<string, vector<string>> m1;\n unordered_map<string, int> dis;\n for (const strin... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool chk(string a, string b)\n {\n int l = a.length();\n int miss=0;\n for(int i=0; i<l; i++)\n {\n if(a[i]!=b[i])miss++;\n if(miss>1)return false;\n }\n return true;\n }\n int ladderLength(string beginW... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\n // O(26W) time\n vector<string> findWordsDifferChar(string word, unordered_set<string>& list) {\n vector<string> ans;\n \n for (int i = 0; i < word.length(); i++) {\n char orig = word[i];\n for (char c = 'a'; c <= 'z'; c++) {\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "ostream& operator<<(ostream& os, unordered_map<string, vector<int>>& m){\n for(const pair<string,vector<int>>& p : m){\n os << endl;\n os << p.first << \" : \" << endl;\n for(int n : p.second){\n os << n << \" \" ;\n }\n }\n return os;\n} \n\nclass Solution ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool isAdjacent(string a, string b) {\n int n = a.length();\n int diff=0;\n for(int i=0;i<n;i++) diff += (a[i] != b[i] ? 1: 0 );\n if(diff==1) return true;\n return false;\n }\n\n\n int shortestDistance(int u, int v, vector <vector <in... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_set<string> dict;\n for (string& word : wordList) {\n dict.insert(word);\n }\n\n queue<string> q;\n unordered_set<string> visited;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n\n bool related(string w1, string w2) {\n int i = 0;\n int diff = 0;\n while(i < w1.length()) {\n if (w1[i] != w2[i]) {\n diff++;\n }\n if (diff > 1) return false;\n i++;\n }\n return... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\nprivate:\n int diff_count(const string& s, const string& t) {\n int count = 0;\n for (int i = 0; i < s.length(); i++) {\n if (s[i] != t[i]) count++;\n }\n return count;\n }\n\npublic:\n int ladderLength(string beginWord, string endWord, vect... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\nprivate:\n int diff_count(const string& s, const string& t) {\n int count = 0;\n for (int i = 0; i < s.length(); i++) {\n if (s[i] != t[i]) count++;\n }\n return count;\n }\n\npublic:\n int ladderLength(string beginWord, string endWord, vect... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool connected(string a, string b) {\n int diff = 0;\n\n for(int i=0;i<a.length();i++){\n if (a[i] != b[i]) {\n diff++;\n }\n }\n\n if(diff!=1) {\n return false;\n }\n\n return true;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n int cnt = 1;\n unordered_set<string> st;\n for(string &str : wordList) st.insert(str);\n st.insert(beginWord);\n queue<string> que;\n que.push(beginWord)... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool fn(string s1,string s2){ \n int count=0;\n for(int i=0;i<s1.size();i++){\n if(s1[i]!=s2[i])\n count++;\n }\n if(count==1)\n return true;\n else return false;\n }\n int ladderLength(string beg... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n queue<string> q1, q2;\n q1.push(beginWord);\n unordered_set<string> set(wordList.begin(), wordList.end());\n int ans = 1;\n\n while(!q1.empty()) {\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n if(beginWord==endWord) return 0;\n unordered_map<string,bool>mp;\n for(int i=0;i<wordList.size();i++){\n mp[wordList[i]]=1;\n }\n \n queue<str... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool check(string &s1,string &s2){\n int cnt=0;\n for(int i=0;i<s1.size();i++){\n if(s1[i]!=s2[i]){\n cnt++;\n }\n if(cnt>1)return 0;\n }\n return 1;\n }\n int ladderLength(string beginWord, str... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_set<string> exists;\n // We can do this because the list of words are unique.\n for(string w : wordList) {\n exists.insert(w);\n }\n\n // S... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_set<string> exists;\n // We can do this because the list of words are unique.\n for(string w : wordList) {\n exists.insert(w);\n }\n\n // S... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool isAdjacentPair(string a, string b){\n if(a.size() != b.size()){\n return false;\n }\n\n int diff = 0;\n for(int i = 0; i< a.size(); i++){\n if(a[i] != b[i]){\n diff++;\n }\n }\n ret... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n unordered_map<string, vector<string>> dict;\n int L;\n int visitNode(queue<pair<string,int>>& q, unordered_map<string, int>& visited, unordered_map<string, int>& other){\n for(int i = 0; i<q.size(); i++){\n auto elem = q.front();\n q.pop();\... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n if (find(wordList.begin(), wordList.end(), endWord) == wordList.end()) {\n return 0;\n }\n \n map<string, vector<string>> nei;\n wordList.push_back(b... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n // have all the words in wordList in a dictionary\n\n unordered_map<string, int>dict;\n for(int i = 0; i<wordList.size(); i++){\n dict[wordList[i]]++;\n } \... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool canPick(string a, string b) {\n\n int diff = 0;\n for (int i = 0; i < a.length(); i++) {\n if(a[i] != b[i])\n diff += 1;\n \n if(diff > 1)\n return false;\n }\n\n return true;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n\n\nint ladderLength(string beginWord, string endWord, vector<string>& wordList){\n // if target word is itself not in the wordlist then not possible\n unordered_set<string>wordset(wordList.begin(),wordList.end());\n if(wordset.find(endWord)==wordset.end()){\n ret... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n queue<pair<string,int>>q;\n \n unordered_set<string> st(wordList.begin(), wordList.end());\n q.push({beginWord,1});\n st.erase(beginWord);\n // int t=0;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_map<string,bool> check;\n for(string i:wordList){\n check[i] = true;\n }\n if(check.find(endWord)==check.end()) return 0;\n check[beginWord... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_set<string>dict(wordList.begin(),wordList.end());\n queue<pair<string,int>>q;\n q.push({beginWord,1});\n while(!q.empty()) {\n pair<string, int> t... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_set<string>s(wordList.begin(),wordList.end());\n queue<pair<string, int>>q;\n q.push({beginWord,1});\n\n while(!q.empty()){\n auto cur = q.front()... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n unordered_map<string, vector<string>> adj;\n unordered_map<string, bool> visited;\n\n bool neighbor(string a, string b){\n if(a.size() != b.size()) return false;\n \n int diff = 0;\n for(int i=0; i<a.size(); i++){\n if(a[i] != b[i]... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& words) {\n\n \n unordered_map<string, vector<int>> M;\n for (int i = 0; i < words.size(); ++i) {\n if (words[i] == beginWord) {\n continue;\n }\n\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool compare(string s1,string s2){\n int n1 = s1.length();\n int n2 = s2.length();\n if(n1!=n2) return false;\n int cnt=0;\n for(int i=0;i<n1;i++){\n if( s1[i]!=s2[i] ){\n cnt++;\n }\n }\n if(cnt=... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n if (beginWord.size() != endWord.size()) return 0;\n\n unordered_map<string,vector<int>> hashMap;\n bool isEndWord = false;\n for (int j = 0; j < wordList.size(); j++) ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool canTransform(string& s, string& t) {\n int i = 0;\n int j = 0;\n int differences = 0;\n while(i < s.length()) {\n if(s[i] != t[j])\n differences++;\n i++;\n j++;\n }\n\n return diff... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n unordered_map<string, vector<string>> graph;\n\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n int m = wordList.size();\n int n = wordList[0].size();\n bool endWordFound = false;\n\n int offBy = 0;\n\n f... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\n\n unordered_set<string> dict;\n map<string,set<string>> adj;\n\n void find_edges(string &word)\n {\n for(int i=0;i<word.size();i++)\n {\n string temp = word;\n for(int j=0;j<26;j++)\n {\n temp[i] = 'a'+j;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string bg, string end, vector<string>& words) {\n map<string,map<string,int>> mp;\n int m=bg.length();\n for(int i=0;i<words.size();i++){\n for(int j=i+1;j<words.size();j++){\n int cnt=0;\n for(int... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "#define FOR(i, n) for(int i=0; i<n; i++)\n\nclass Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n int n = wordList.size();\n\n set<string> st;\n for(auto it: wordList) st.insert(it);\n st.insert(beginWord);\n\n map... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n bool is_adj(const string& w1, const string& w2) {\n int dif_count = 0;\n int n = w1.size();\n int idx = 0;\n while (idx < n && dif_count < 2) {\n dif_count += (w1[idx] != w2[idx]);\n ++idx;\n }\n\n return dif_cou... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n wordList.push_back(beginWord);\n map<string,vector<string>>adj;\n for(auto &c : wordList){\n for(auto &s : wordList){\n int cnt = 0;\n ... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_map<string, vector<string>> adj;\n wordList.push_back(beginWord);\n int N = wordList.size();\n for(int i = 0; i < N; i++) {\n for(int j = i + 1; j... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n int n = wordList.size(), m = beginWord.length();\n\n map<string, vector<string>> mp;\n map<string, int> visited;\n\n if(find(wordList.begin(), wordList.end(), endWord)... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\n //track strings\n unordered_map<string, vector<int>> indices;\n\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n //create store\n //length of words\n int l = beginWord.size();\n for(int i = 0; i < wordList.si... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n unordered_map<string, vector<string>> m;\n\n wordList.push_back(beginWord);\n\n for(auto word: wordList){\n for(int i=0; i<word.size(); i++){\n stri... |
127 | <p>A <strong>transformation sequence</strong> from word <code>beginWord</code> to word <code>endWord</code> using a dictionary <code>wordList</code> is a sequence of words <code>beginWord -> s<sub>1</sub> -> s<sub>2</sub> -> ... -> s<sub>k</sub></code> such that:</p>
<ul>
<li>Every adjacent pair of words ... | 3 | {
"code": "class Solution {\npublic:\n int ladderLength(string beginWord, string endWord, vector<string>& wordList) {\n bool seenEndWord = false;\n wordList.push_back(beginWord);\n unordered_map<string, vector<string>> graph;\n for (const string str: wordList){\n if (str == e... |
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