十进制转十六进制

void Convert(long Input ,char *output){
    vector<char> v;
    int te;
    while(Input){
        int te = Input%16;
        if(te<10)
            v.push_back(te+‘0‘);
        else
            v.push_back(te-10+‘A‘);
        Input /= 16;
    }
    int len = v.size();
    long r = 0;
    for(int i = len-1;i>=0;i--){
      *(output++) = v[i];  
    }
    *output = ‘\0‘;

}