int main()
{
int int_a;
float flt_b;
double dbe_c;
char chr_d;
printf_s("please intgut a number:\n");
scanf_s("%d", &int_a);
printf_s("please floatgut a number : \n ");
scanf_s("%f", &flt_b);
printf_s("please double an number:\n");
scanf_s("%lf", &dbe_c);
printf_s("please chr a number:");
scanf_s("%c", &chr_d);
printf_s("%c", chr_d);
printf_s("所有数字为:%d\n,%f\n,%lf\n,%c\n", int_a, flt_b, dbe_c, chr_d);
return 0;
}