hello 51cto!_hello#include <stdio.h>
hello 51cto!_hello
hello 51cto!_helloint main ()
hello 51cto!_hello{
hello 51cto!_hello                printf("hello 51cto!\n");
hello 51cto!_hello                return 0;
hello 51cto!_hello}
hello 51cto!_hello