Trying to encode something.

[365X92yv]

string encode_message(string message, string key)
{
	string answer;
	char sub;
	char orig;
	//for each letter in message
	for(int i=0;i<message.length();i++)
	{
		orig = message.at( i );
		cout << orig;
		find_sub(orig, key);
		//sub = find_sub(message.at( i ), key);
		//answer.append(1, sub);
	}
	return answer;
}

// take letter and key, return substitute letter
char find_sub(char letter, string key)
{
	char position;
	if(letter >= 97 && letter <= 122)
	{
		position = letter - 97;
		return key.at(position);
	}
	return letter;
}

Trying to pass a char and the key into find_sub but I get a cannot convert from char to string error message. Any ideas?

[Stewbond]

This looks right based on how find_sub() is defined. Check the declaration above encode_message() or in the header. If you've changed the definition, but forgot to change the declaration, you'll get this problem.

[365X92yv]

Good call. Forgot about the header. Thanks.