第二套二

#include <stdio.h>void fun (long  s, long *t){   long  sl=10;    s /= 10;    *t = s % 10;    while ( s > 0)    {  s = s/100;       *t = s%10*sl + *t;       sl = sl * 10;    }}main(){  long   s, t;   printf("\nPlease enter s:"); scanf("%ld", &s);   fun(s, &t);   printf("The result is: %ld\n", t);}