#include<stdio.h>#include<math.h>int main(){int n,m,i=1,x;printf("enter n:");scanf("%d",&n);m=n;x=n;if(n>99999 || n<=0)printf("請輸入一個不多於5位數的正整數\n");while(n>=10){i++;n=n/10;}printf("這是一個%d位數\n",i);int a,b,c;printf("按順序分別輸出：");a=pow(10,(i-1));b=a*10;while(a>=1){c=(x%b-x%a)/a;printf(" %d ",c);a=a/10;b=b/10;}printf("\n");printf("按逆序輸出：");while(m!=0){printf("%d",m%10);m/=10;}return 0; }

#include<stdio.h>

unsignedshortbits(intn){

inti=0;

if(n<0)n=-n;

while(n>0){

i++;

n/=10;

}

returni;

}

intmain(){

inti,a[4]={65535,-96854,33025,180};

for(i=0;i<4;i++)printf("%d是%d位數。\n",a[i],bits(a[i]));

printf("\n");

return0;

}

#include

#include

int main()

{

int n,m,i=1,x;

printf("enter n:");

scanf("%d",&n);

m=n;

x=n;

if(n>99999 || n

printf("請輸入一個不多於5位數的正整數\n");

while(n>=10)

{

i++;

n=n/10;

}

printf("這是一個%d位數\n",i);

int a,b,c;

printf("按順序分別輸出：");

a=pow(10,(i-1));

b=a*10;

while(a>=1)

{

c=(x%b-x%a)/a;

printf(" %d ",c);

a=a/10;

b=b/10;

}

printf("\n");

printf("按逆序輸出：");

while(m!=0)

{

printf("%d",m%10);

m/=10;

}

return 0;

}