#include <stdio.h>
int main(void) {
int a,b,c,d;
if (b==0)
{return 0; }
else
{
c=a/b;
d=a%b;
switch(d)
{case 0:printf("%d ÷ %d = %d",a
,b
,c
); break;
default:printf("%d ÷ %d = %d 余り %d",a
,b
,c
,d
); break;
}}
return 0;
}
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