dswer
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int num(int z, char c, int y);
void main()
{
int x,y,z;
char c;
cout <<"수식을 입력하세요 : ";
cin >> x >> c >> y;
z=num(x,c,y);
cout << x << c << y << " = "<< z <<endl;
}
int num(int x, char c, int y)
{
int z=0;
switch(c)
{
case '+':
z = x+y;
break;
case '-':
z = x-y;
break;
case '*':
z = x*y;
break;
case '/':
z = x/y;
break;
case '%':
z = x%y;
break;
default :
cout << "잘못된 식입니다."<<endl;
}
return z;
}
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