函數fun的功能是:将長整型數中每一位上為奇數的數依次取出,構成一個新書放在t中,高位仍在高位,低位仍在低位。
</pre><pre name="code" class="cpp">#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
void fun(long s, long *t)
{
int d;
long s1 = 1;
*t = 0;
while (s > 0)
{
d = s % 10;
if (d % 2 != 0)
{
*t = d*s1 + *t;
s1 *= 10;
}
s /= 10;
}
}
int main()
{
long s, t;
printf("\nPlease enter s:");
scanf("%ld", &s);
fun(s, &t);
printf("The result is :%ld\n", t);
system("pause");
return 0;
}