解题思路:
参考代码:
#include<bits/stdc++.h>
int choise_F(char A);
int main()
{
int x,y;
char A;
while(scanf("%d %d ",&x,&y)!=EOF)
{
scanf("%c",&A);
switch(choise_F(A))
{
case 1:{printf("%d\n\n",x+y);break;}
case 2:{printf("%d\n\n",x-y);break;}
case 3:{printf("%d\n\n",x*y);break;}
case 4:{printf("%d\n\n",x/y);break;}
case 5:{printf("%d\n\n",x%y);break;}
case 6:break;
}
}
return 0;
}
/*-------------------------------------------------*/
int choise_F(char A)
{
if(A=='+')
return 1;
else
if(A=='-')
return 2;
else
if(A=='*')
return 3;
else
if(A=='/')
return 4;
else
if(A=='%')
return 5;
else
return 6;
}
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