2013.12.16-1 2013.12.16-1

 #include<stdio.h>

#include<stdlib.h>
 
int main()
{
int a,b; 
while(scanf("%d %d",&a,&b)==2)
{
printf("面積=%d\n",a*b);
}
return 0;
}
 
2013.12.16-2 2013.12.16-2

 #include<stdio.h>

#include<stdlib.h>
 
int main()
{
int a[10]={10,20,30,40,50,60,70,30,90,100};
int b,t;
scanf("%d",&b);
for(t=0;t<10;t++)
{
if(a[t]==b)
printf("%d\n",t);
}
system("pause");
return 0;
}
 
2013.12.16-3 2013.12.16-3

 #include<stdio.h>

#include<stdlib.h>
 
int main()
{
int a,b,num;
while(scanf("%d %d",&a,&b)==2)
{
num=a%b;
switch(num)
{
case 0: printf("可整除\n");break;
case 1: printf("不可整除 餘=%d\n",num);break;
case 2: printf("不可整除 餘=%d\n",num);break;
case 3: printf("不可整除 餘=%d\n",num);break;
case 4: printf("不可整除 餘=%d\n",num);break;
case 5: printf("不可整除 餘=%d\n",num);break;
case 6: printf("不可整除 餘=%d\n",num);break;
case 7: printf("不可整除 餘=%d\n",num);break;
case 8: printf("不可整除 餘=%d\n",num);break;
case 9: printf("不可整除 餘=%d\n",num);break;
}
}
return 0;
}