一道组建内部局域网题，进行设计

Question

如题所述

Answer 1

#include "stdio.h"
int main( )
{int a,b;
char op;
scanf("%d%c%d",&a,&op,&b);
printf("%d%c%d=",a,op,b);
switch(op)
{case '+':printf("%d\n",a+b);break;
case '-':printf("%d\n",a-b);break;
case '*':printf("%d\n",a*b);break;
case '/':if(b)printf("%d\n",a/b);
else printf("Devide 0 error!\n");
}
return 0;
}