#include "iostream.h"
#include<stdio.h>
#include<string.h>
?void main()
{
int a,b=0,k,v,n;
char N[200];
printf("請輸入一串字符串：\n");
gets(N);
k=strlen(N);
for(a=0;a<k;a++)
if('0'<=N[a]&&N[a]<='9')
b++;
printf("這串字符串中數(shù)字字符有%d個！\n",b);
?

?
?printf("請輸入一個整數(shù)：\n");
? scanf("%d",&n);

?for(v=0;n;n/=10)?v=10*v+n%10;

?printf("這個整數(shù)反轉數(shù)為:%d\n",v);
?
?
?
?}