#include "stdio.h"
#include "math.h"
void main()
{
long int num;
int ge,shi,bai,qian,wan,wei;
printf("請輸入一個整數：");
scanf("%ld",&num);
if(num>9999){
wei=5;
}else if(num>999){
wei=4;
}else if(num>99)}{
wei=3;
}else if(num>9){
wei=2;
}else{
wei=1;
}
printf("位數為：%d\n",wei);
printf("每位數字為：");
wan=num/10000;
qian=(int)(num-wan*10000)/1000;
bai=(int)(num-wan*10000-qian*1000)/100;
shi=(int)(num-wan*10000-qian*1000-bai*100)/10;
ge=(int)(num-wan*10000-qian*1000-bai*100-shi*10);
switch(wei){
case 5:printf("%d,%d,%d,%d,%d",wan,qian,bai,shi,ge);
printf("\n反序數字為：");
printf("%d,%d,%d,%d,%d",ge,shi,bai,qian,wan);
break;
case 4:printf("%d,%d,%d,%d",qian,bai,shi,ge);
printf("\n反序數字為：");
printf("%d,%d,%d,%d",ge,shi,bai,qian);
break;
case 3:printf("%d,%d,%d",bai,shi,ge);
printf("\n反序數字為：");
printf("%d,%d,%d",ge,shi,bai);
break;
case 2:printf("%d,%d",shi,ge);
printf("\n反序數字為：");
printf("%d,%d",ge,shi);
break;
case 1:printf("%d",ge);
printf("\n反序數字為：");
printf("%d",ge);
break;
}
}