萌新求问，运行的时候显示:出现了一个问题导致程序停止正常工作，求解
# include <stdio.h># include <math.h>
int main()
{
int num,indiv,ten,hundred,thousand,ten_thousand,place;
//分别代表个位，十位，百位，千位，万位和位数
printf("请输入一个整数(0~9999):");
scanf("%d,&num");
if (num>9999)
place=5;
else if(num>999)
place=4;
else if(num>99)
place=3;
else if(num>9)
place=2;
else place=1;
printf("位数:%d\n",place);
printf("每位数字为：");
ten_thousand=num/10000;
thousand=(int)(num-ten_thousand*10000/1000);
hundred=(int)(num-ten_thousand*10000-thousand*1000)/100;
ten=(int)(num-ten_thousand*10000-thousand*1000-hundred*100)/10;
indiv=(int)(num-ten_thousand*10000-thousand*1000-hundred*100-ten*10);
switch(place)
{case 5:printf("%d,%d,%d,%d,%d",ten_thousand,thousand,hundred,ten,indiv);
printf("\n反序数字为:");
printf("%d%d%d%d%d\n",indiv,ten,hundred,thousand,ten_thousand);
break;
case 4:printf("%d,%d,%d,%d",thousand,hundred,ten,indiv);
printf("\n反序数字为:");
printf("%d%d%d%d\n",indiv,ten,hundred,thousand);
break;
case 3:printf("%d,%d,%d",hundred,ten,indiv);
printf("\n反序数字为:");
printf("%d%d%d\n",indiv,ten,hundred);
break;
case 2:printf("%d,%d",ten,indiv);
printf("\n反序数字为:");
printf("%d%d\n",indiv,ten);
break;
case 1:printf("%d",indiv);
printf("\n反序数字为:");
printf("%d%\n",indiv);
break;
}
return 0;
