#include <iostream>#include <cstdlib>#include <cstring>#include <cstdio>using namespace std;char card[20][10];int n;int m;bool found;bool ok(char a, char b, char c){ if (a == b && b == c) return true; if (a == b || b == c || c == a) return false; return true;}bool ok(char *s1, char *s2, char *s3){ for (int i = 0; i < 4; i++) if (!ok(s1[i], s2[i], s3[i])) return false; return true;}void work(){ for (int i = 0; i < n - 2; i++) for (int j = i + 1; j < n - 1; j++) for (int k = j + 1; k < n; k++) if (ok(card[i], card[j], card[k])) { if (m == 0) printf("%d. %s %s %sn", ++m, card[i], card[j], card[k]); else printf(" %d. %s %s %sn", ++m, card[i], card[j], card[k]); }}int main(){ while (true) { n = 0; m = 0; if (gets(card[n++]) == NULL) break; while (gets(card[n]) != NULL && strcmp(card[n], "")) n++; printf("CARDS: "); for (int i = 0; i < n; i++) printf(" %s", card[i]); putchar('n'); printf("SETS: "); work(); if (m == 0) printf("*** None Found ***n"); putchar('n'); } return 0;}
