problem

804. Unique Morse Code Words

solution1:

class Solution {
public:
int uniqueMorseRepresentations(vector<string>& words) {
vector<string> morse{".-", "-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--.."};
unordered_set<string> s;//err..
for(auto word:words)
{
string t = "";
for(auto ch:word)
{
t += morse[ch-'a'];//errr...
}
s.insert(t);
}
return s.size();
}
};

参考

1. Leetcode_easy_804. Unique Morse Code Words;

2. Grandyang;

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