10-7b.cpp

C程序设计（第3版）程序源代码,提供你最丰富的实际代码

#include <stdio.h>
void main()
{void inv(int *x,int n);
int i,a[10]={3,7,9,11,0,6,7,5,4,2};
   printf("The original array:\n");
   for(i=0;i<10;i++)
     printf("%d,",a[i]);
   printf("\n");
   inv(a,10);
   printf("The array has been inverted:\n");
   for(i=0;i<10;i++)
     printf("%d,",a[i]);
   printf("\n");
}
void inv(int *x,int n)            
  {int *p,temp,*i,*j,m=(n-1)/2;
   i=x;j=x+n-1;p=x+m;
   for(;i<=p;i++,j--)
   {temp=*i;*i=*j;*j=temp;}
   return;
}