#include #include int main(){ int n,i; char str[64]; scanf("%d",&n); for(i=1;i<=n;i++) { sprintf(str,"%d",i); if(i%3 == 0 && strchr(str,'5')!=NULL) printf("%d\n",i); } return 0;}
示例运行结果:
125
15
45
51
54
57
75
105
哪有疑问?