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authorJack Sangdahl <[email protected]>2025-03-10 00:36:13 -0600
committerJack Sangdahl <[email protected]>2025-03-10 00:36:13 -0600
commit7c60dee83b436e8e8a667bf9f191beced8de4fc3 (patch)
treeeb7a24ee2067f92245c57bb118e85a1baf15df50 /other/word_ladder.cpp
parent5d7cdc215e4ba1ec4cbb24c084cccb5e5e641468 (diff)
downloadleetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.tar.gz
leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.zip
chore: move cpp and rust code to directory
Diffstat (limited to 'other/word_ladder.cpp')
-rw-r--r--other/word_ladder.cpp39
1 files changed, 39 insertions, 0 deletions
diff --git a/other/word_ladder.cpp b/other/word_ladder.cpp
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+#include "leetcode.h"
+
+class Solution {
+public:
+ int ladderLength(string beginWord, string endWord, vector<string> &wordList) {
+ unordered_set<string> dict(wordList.begin(), wordList.end());
+ queue<string> q;
+ q.push(beginWord);
+ int ladder = 1;
+ while (!q.empty()) {
+ int n = q.size(); //
+ for (int i = 0; i < n; i++) {
+ string word = q.front();
+ q.pop();
+ if (word == endWord)
+ return ladder;
+ dict.erase(word);
+ for (int j = 0; j < word.size(); j++) {
+ char c = word[j];
+ for (int k = 0; k < 26; k++) {
+ word[j] = 'a' + k;
+ if (dict.find(word) != dict.end())
+ q.push(word);
+ }
+ word[j] = c;
+ }
+ }
+ ladder++;
+ }
+ return 0;
+ }
+};
+
+int main() {
+ Solution obj;
+ string beginWord = "hit", endWord = "cog";
+ vector<string> wordList = {"hot", "dot", "dog", "lot", "log", "cog"};
+ cout << obj.ladderLength(beginWord, endWord, wordList);
+}