http://www.jungol.co.kr/bbs/board.php?bo_table=pbank&wr_id=839&sca=99&sfl=wr_hit&stx=1566 JUNGOL www.jungol.co.kr #include enum Alphabet { A = 65, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, MAX }; char Sentc[10010]; int AlphaNum[MAX]; void Input() { scanf("%s", Sentc); } void FillNum() { for (int i = 0; Sentc[i] != 0; i++) AlphaNum[Sentc[i]]++; } bool IsPrimeNum(i..