C语言 指针实现一维数组元素逆序输出

Posted 2021-06-22 Aiden (winner)

#include <stdio.h>
void reverse(int* a,int n){
int i,t;
	for ( i = 0;i< n/2; i++){
		t=*(a+i);
		*(a+i)=*(a+9-i);
		*(a+9-i)=t;
	}
}
void main(){
int *p;
int a[10]={0,1,2,3,4,5,6,7,8,9};
reverse(a,10);
	for(p=a;p<a+10;p++){
		printf("%2d",*p);
	}
}