//用指针变量做实参，逆序输出
#include "stdafx.h"
#include "stdio.h"
int main()
{void inv(int *x,int n);
int i,arr[10],*p=arr; Pointer variable P points to arr[0]
printf("the orginal array:\n");
for(i=0; i<10; i++,p++)
scanf("%d",p);
printf("\n");
p=arr; Pointer variable P repoints to arr[0]
inv(p,10); Call the INV function with the real parameter P pointer variable
printf("the array has inverted:\n");
for(p=arr; p<arr+10; p++)
printf("%d,",*p);
printf("\n");
return 0;
}
void inv(int *x,int n) // Define the INV function, the parameter X pointer variable
{int *p,m,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;
}
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Posted on 12/11/2015 11:06:54 AM
