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‘;}