指针排序,只能互换地址变量名不能互换地址里储存的常量么?main(){ int *p1,*p2,*p,a,b;scanf("%d,%d",&a,&b);p1=&a;p2=&b;if(a
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/27 11:46:49
![指针排序,只能互换地址变量名不能互换地址里储存的常量么?main(){ int *p1,*p2,*p,a,b;scanf(](/uploads/image/z/12187134-54-4.jpg?t=%E6%8C%87%E9%92%88%E6%8E%92%E5%BA%8F%2C%E5%8F%AA%E8%83%BD%E4%BA%92%E6%8D%A2%E5%9C%B0%E5%9D%80%E5%8F%98%E9%87%8F%E5%90%8D%E4%B8%8D%E8%83%BD%E4%BA%92%E6%8D%A2%E5%9C%B0%E5%9D%80%E9%87%8C%E5%82%A8%E5%AD%98%E7%9A%84%E5%B8%B8%E9%87%8F%E4%B9%88%3Fmain%28%29%7B+int+%2Ap1%2C%2Ap2%2C%2Ap%2Ca%2Cb%3Bscanf%28%22%25d%2C%25d%22%2C%26a%2C%26b%29%3Bp1%3D%26a%3Bp2%3D%26b%3Bif%28a)
指针排序,只能互换地址变量名不能互换地址里储存的常量么?main(){ int *p1,*p2,*p,a,b;scanf("%d,%d",&a,&b);p1=&a;p2=&b;if(a
指针排序,只能互换地址变量名不能互换地址里储存的常量么?
main()
{ int *p1,*p2,*p,a,b;
scanf("%d,%d",&a,&b);
p1=&a;p2=&b;
if(a
指针排序,只能互换地址变量名不能互换地址里储存的常量么?main(){ int *p1,*p2,*p,a,b;scanf("%d,%d",&a,&b);p1=&a;p2=&b;if(a
不行,指针p没有申请空间,会导致内存错误
如果你想这么用的话,在scanf语句之前加上这么一句话:
p=new int;