From 7c60dee83b436e8e8a667bf9f191beced8de4fc3 Mon Sep 17 00:00:00 2001 From: Jack Sangdahl Date: Mon, 10 Mar 2025 00:36:13 -0600 Subject: chore: move cpp and rust code to directory --- other/word_ladder.cpp | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 other/word_ladder.cpp (limited to 'other/word_ladder.cpp') diff --git a/other/word_ladder.cpp b/other/word_ladder.cpp new file mode 100644 index 0000000..dfe6b00 --- /dev/null +++ b/other/word_ladder.cpp @@ -0,0 +1,39 @@ +#include "leetcode.h" + +class Solution { +public: + int ladderLength(string beginWord, string endWord, vector &wordList) { + unordered_set dict(wordList.begin(), wordList.end()); + queue 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 wordList = {"hot", "dot", "dog", "lot", "log", "cog"}; + cout << obj.ladderLength(beginWord, endWord, wordList); +} -- cgit v1.2.3