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-rw-r--r--word_ladder.cpp39
1 files changed, 0 insertions, 39 deletions
diff --git a/word_ladder.cpp b/word_ladder.cpp
deleted file mode 100644
index dfe6b00..0000000
--- a/word_ladder.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#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);
-}