#define _CRT_SECURE_NO_WARNINGS 1 #includeint main() { char killer; for (killer = 'A'; killer <= 'D'; killer++) //从A开始假设是否为凶手 { if ((killer != 'A') + (killer == 'C') + (killer == 'D') + (killer != 'D') == 3) //该情况下是否满足条件(3个人说了真话) { printf("%c", killer); } } }



