反向排序:
/**/
/*used array to arrange reverse */
#include
<
stdio.h
>
void
main()

...
{
void ex(int x[],int n);

int i,a[10]=...{1,2,3,4,5,6,7,8,9,10};
printf("the ten number is: ");
for(i=0;i<10;i++)
printf("%3d",a[i]);
ex(a,10);
printf(" ");
printf("Now new ten number is: ");
for(i=0;i<10;i++)
printf("%3d",a[i]);
printf(" ");
}

void
ex(
int
x[],
int
n)

...
{
int i,j,k,temp;
i=n/2-1;
for(k=0;k<=i;k++)

...{
j=n-k-1;
temp=x[k];x[k]=x[j];x[j]=temp;
}
return;
}
































