include <stdio.h>int f(const char* s1, const char* s2){while (*s1){if (*s1==*s2){++s2;if (!*s2){return 1;}}++s1;}return 0;}int main(){char* inf[]={ "不能", "能" };printf("%s\n", inf[f("xyxzwaxbd", "yxad")]);return 0;} ...