2018-计算机系机试-A

 #include<stdio.h>
 #include<cstdio>
 #include<cmath>
 #include<cstring>
 #include<iostream>
 #include<algorithm>
 using namespace std;

 int main()
 {
     int a,b;char c;
     scanf("%d%c%d",&a,&c,&b);
     if(c=='+')
         printf("%d\n",a+b);
     else if(c=='-')
         printf("%d\n",a-b);
     else if(c=='*')
         printf("%d\n",a*b);
     else if(c=='/')
         printf("%d\n",a/b);
     return ;
 }