inputing char for a symmetric cipher to be used in a game

Question

I am looking for a simple function that would allow an user (player) to assign letters of the alphabet to other letters. For example: "a = n" . Then placing theses letters in an array: alb[n,..]. Should I use pointers?

Answer 1

I have the answer. Here some test code that uses the first three letters of the alphabet.

int i = 0, j = 0;
string alp[] = { "a", "b", "c" }, alpc[] = { "0", "1", "2" };

while (i <= 2) {
    cout << "Enter the letter substitution: " << alp[i] << " = ";
    cin >> alpc[i];
    for (j = 0; j < i; ++j) {
        while (alpc[j] == alpc[i]) {
            cout << "Please enter a non-redundant letter substitution: ";
            cin >> alpc[i];
        }

    }
    ++i;
    }