#include <stdio.h>

#include <conio.h>

void main()

{

int i,j;

char s;

printf("請輸入整數1：");

scanf("%d",&i);

printf("請輸入整數2：");

scanf("%d",&j);

printf("請輸入運算子號：");

scanf(" %c",&s);

switch(s)

{

case "+":printf("\n加：%d+%d=%d",i,j,i+j);break;

case "-":printf("\n減：%d-%d=%d",i,j,i-j);break;

case "*":printf("\n乘：%d*%d=%d",i,j,i*j);break;

case "/":printf("\n除：%d/%d=%d",i,j,i/j);break;

}

getch();

}