#include <string.h>
#include <stdio.h>
int main()
{
printf("hello world 13\r\n");
char s1[5], s2[] = "welcome";
printf("%p\n", s1);
printf("%p\n", s2);
char s5[3] = {'a','b','c'};
printf("%p\n", s5[0]);
printf("%p\n", s5[1]);
printf("%p\n", s5[2]);
printf("%d")
return 0;
}