int main()
{
int m;
void (*p) ();
do
{
printf("请输入选项：\n");
printf("1.打印菱形\n");
printf("2.打印乘法表\n");
printf("3.退出\n");
scanf("%d",&m);
/*
printf("%d\n",m);
*/
if( m>3 || m<0)
{
printf("输入不合法，请重新输入\n");
}
}while( m>=4 || m <0);
if( m ==1)
p=print_rhombus();
else if (m==2)
p=print_cf();
else if (m == 3)
exit(0);
return 0;
}
int main(void)
{
{
CF cf123 = new_array(1, 2, 3, 0);
CF cf1234 = append1(cf123, 4);
CF cf12345 = append1(cf1234, 5);
print_cf(cf12345);
}
{
CF cf123 = new_array(1, 2, 3, 0);
CF cf1234 = new_array(1, 2, 3, 4, 0);
CF cf1234123 = CF_appendcf(cf1234, cf123, (CF)0);
print_cf(cf1234123);
}
{
CF cf123a = new_array(1, 2, 3, 0);
CF cf123b = new_array(1, 2, 3, 0);
CF cf1234 = new_array(1, 2, 3, 4, 0);
CF cf1231234123 = CF_appendcf(cf123a, cf1234, cf123b, (CF)0);
print_cf(cf1231234123);
}
}
int main(int argc, char **argv) {
char *prog = argv[0];
char **arg = argv+1;
int n, d;
CF a[2], r;
if (argc < 2) usage(prog);
{
unsigned i;
for (i=0; i<2; i++)
if (parserat(arg[i], &n, &d))
a[i] = new_rat(n, d);
else
usage(prog);
}
r = between(a[0], a[1]);
print_cf(r);
return 0;
}
