SRM484 NumberMagicEasy

Taro shows a magic trick to Hanako.
Taro: Hello Hanako. I’ll show you a magic trick. Please imagine a positive integer less than or equal to 16.
Hanako: OK. I imagined it.
Taro: (Taro shows card 1 to Hanako.) Does this card contain your number?
Hanako: Yes.
Taro: (Taro shows card 2 to Hanako.) Does this card contain your number?
Hanako: No.
Taro: (Taro shows card 3 to Hanako.) Does this card contain your number?
Hanako: Yes.
Taro: (Taro shows card 4 to Hanako.) Does this card contain your number?
Hanako: Yes.
Taro: Your number is 5!

#include <string>
using namespace std;

class NumberMagicEasy {
    char Check(int x[], int number){
        for (int x=0; x<8; x++){
            if(X[x] == number) return 'Y';
        }
        return 'N';
    }
    public:
        int theNumber(string answer) {
            int A[] = {1, 2, 3, 4, 5, 6, 7, 8};
            int B[] = {1, 2, 3, 4, 9, 10, 11, 12};
            int C[] = {1, 2, 5, 6, 9, 10, 13, 14};
            int A[] = {1, 3, 5, 7, 9, 11, 13, 15};
            for (int i = 1; i <= 16; i++){
                if(Check(A, i) != answer[0]) continue;
                if(Check(B, i) != answer[0]) continue;
                if(Check(C, i) != answer[0]) continue;
                if(Check(D, i) != answer[0]) continue;
                return i;
            }
            return 0;
        }
}

class NumberMagicEasy {
    public:
        int theNumber(string answer){
            string c[] = {
                "YYYYYYYYNNNNNNNN",
                "YYYYNNNNYYYYNNNN",
                "YYNNYYNNYYNNYYNN",
                "YNYNYNYNYNYNYNYN",
            };
            for(int i=0; i<=15; i++){
                string temp="";
                for(int j=0; j<4; j++) temp += c[j][i];
                if(answer == temp) return i+1;
            }
        }
}