0
printf("Enter two integers: \n");
scanf("%d%d",&a,&b);
system("cls");
printf("Enter an operation : ");
scanf("%c",&op);
switch(op)
{
case '+': printf("%d+%d=%d\n",a,b,a+b); break;
case '*': printf("%d*%d=%d\n",a,b,a*b); break;
case '-': printf("%d-%d=%d\n",a,b,a-b); break;
case ...