#include <stdio.h>

#include <math.h>

int main{

int i,j,result;

char k;

printf("请输入你想要计算的数据%d%d\n");

scanf("%d%d",i,j);

printf("请输入你要执行的运算符:%c \n");

scanf("%c",k);

switch(k){

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

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

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

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

case "%": result =i % j;printf("结果为:%d\n",result); break;          // 取余

case "^": result = sqrt(i);printf("结果为:%d\n",result);break;        // 开方

default : printf("输入运算符出错，请重新输入!");break;

                          system(cls);

}

}