CareerCup

social.msdn.microsoft.com/forums/en-US/netfxbcl/thread/46272ef0-59e6-47f2-bcce-166947e2cdb5

public static Byte[] hexToByteBuf(String hex){
		Byte[] buf = new Byte[hex.length()%2 == 0 ? hex.length()/2:(hex.length()/2)+1];
		for(int i = 0; i<hex.length(); i++){
			buf[i/2] = (i%2 == 0) ? 0 : (byte) (buf[i/2]<<4);
			char c = hex.charAt(i);
			if(c<=57)
				buf[i/2] = (byte) (buf[i/2] | c-48);// "0" : 48
			else
				buf[i/2] = (byte) (buf[i/2] | c-55);// "A" : 65
		}
		return buf;
	}

vector<uint8_t> toByteBuffer(string s){
    vector<uint8_t> sol;
    for(int i = 0 ; i < s.size(); i++){
        uint8_t c = toupper(s[i]);
        if(c >= '0' and c <= '9'){
            sol.push_back(c - '0');
        }
        else if(c >= 'A' and c <= 'F'){
            sol.push_back(c - 'A' + 10);
        }
    }
    return sol;
}

# private byte[] String_To_Bytes(string strInput)
# {
# // i variable used to hold position in string
# int i = 0;
# // x variable used to hold byte array element position
# int x = 0;
# // allocate byte array based on half of string length
# byte[] bytes = new byte[(strInput.Length) / 2];
# // loop through the string - 2 bytes at a time converting
# // it to decimal equivalent and store in byte array
#
while (strInput.Length > i + 1)
# {
# long lngDecimal = Convert.ToInt32(strInput.Substring(i, 2), 16);
# bytes[x] = Convert.ToByte(lngDecimal);
# i = i + 2;
# ++x;
# }
# // return the finished byte array of decimal values
# return bytes;
# }

What is a good hash table?

8) What is a good hash table?

may I ask if it is phone or onsite interview? What position? Were some of questions related to your own background?

Seems to be quite different than other google interviews: not focused on algorithm/coding problems.