2022-11-21 13:15:56 +00:00
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#ifndef S0017_LETTER_COMBINATIONS_OF_A_PHONE_NUMBER_HPP
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#define S0017_LETTER_COMBINATIONS_OF_A_PHONE_NUMBER_HPP
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2022-11-04 07:50:54 +00:00
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#include <vector>
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#include <string>
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#include <unordered_map>
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using namespace std;
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2022-11-30 10:20:36 +00:00
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class S0017 {
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2022-11-04 07:50:54 +00:00
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public:
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vector<string> letterCombinations(string digits);
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};
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#endif
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