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-rw-r--r--longest_word_dict.cpp31
1 files changed, 31 insertions, 0 deletions
diff --git a/longest_word_dict.cpp b/longest_word_dict.cpp
new file mode 100644
index 0000000..3be4538
--- /dev/null
+++ b/longest_word_dict.cpp
@@ -0,0 +1,31 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ string findLongestWord(string s, vector<string> &dictionary) {
+ string ans;
+ for (auto d : dictionary)
+ if (canForm(d, s))
+ if (d.size() > ans.size() || (d.size() == ans.size() && d < ans))
+ ans = d;
+ return ans;
+ }
+
+private:
+ bool canForm(string w, string s) {
+ int w1 = 0, s1 = 0;
+ while (w1 < w.size() && s1 < s.size()) {
+ if (w[w1] == s[s1])
+ w1++;
+ s1++;
+ }
+ return w1 == w.size();
+ }
+};
+
+int main() {
+ Solution obj;
+ string s = "abpcplea";
+ vector<string> dictionary = {"ale", "apple", "monkey", "plea"};
+ cout << obj.findLongestWord(s, dictionary);
+}