コード例 #1
0
ファイル: JsonString.cpp プロジェクト: cjj168pc/SimpleJsonCpp
static inline void appendHexChar(StringBuilder& target, wchar_t ch)
{
    target.append('u');
    
    target.append(digitToChar(ch & 0xf000));
    target.append(digitToChar(ch & 0x0f00));
    target.append(digitToChar(ch & 0x00f0));
    target.append(digitToChar(ch & 0x000f));
}
コード例 #2
0
 vector<string> letterCombinations(string digits) {
     int length = (int)digits.length();
     vector<string> strings;
     if (length == 0)
     {
         strings.push_back("");
         return strings;
     }
     string prefix = digitToChar(digits[0] - '0');
     if (prefix.length() == 0)
         return letterCombinations(digits.substr(1));
     else {
         vector<string> suffix = letterCombinations(digits.substr(1));
         int preLength = (int)prefix.length();
         for (int i = 0; i < preLength; i++) {
             for (unsigned int j = 0; j < suffix.size(); j++) {
                 string s = string(1, prefix[i]);
                 strings.push_back(s.append(suffix[j]));
             }
         }
     }
     return strings;
 }