输入三个整数,从小到大排列,用指针#includemain(){\x05int a,b,c;\x05int *p1,*p2,*p3,*p;\x05scanf("%d%d%d",&a,&b,&c);\x05p1=&a;\x05p2=&b;\x05p3=&c;\x05if(a>b)\x05{ p=p1;p1=p2;p2=p;}if(b>c)\x05{ p=p2;p2=p3;p3=p;}\x05printf("%d,%d,%d",a,b,c)
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![输入三个整数,从小到大排列,用指针#includemain(){\x05int a,b,c;\x05int *p1,*p2,*p3,*p;\x05scanf(](/uploads/image/z/8446637-29-7.jpg?t=%E8%BE%93%E5%85%A5%E4%B8%89%E4%B8%AA%E6%95%B4%E6%95%B0%2C%E4%BB%8E%E5%B0%8F%E5%88%B0%E5%A4%A7%E6%8E%92%E5%88%97%2C%E7%94%A8%E6%8C%87%E9%92%88%23includemain%28%29%7B%5Cx05int+a%2Cb%2Cc%3B%5Cx05int+%2Ap1%2C%2Ap2%2C%2Ap3%2C%2Ap%3B%5Cx05scanf%28%22%25d%25d%25d%22%2C%26a%2C%26b%2C%26c%29%3B%5Cx05p1%3D%26a%3B%5Cx05p2%3D%26b%3B%5Cx05p3%3D%26c%3B%5Cx05if%28a%3Eb%29%5Cx05%7B+p%3Dp1%3Bp1%3Dp2%3Bp2%3Dp%3B%7Dif%28b%3Ec%29%5Cx05%7B+p%3Dp2%3Bp2%3Dp3%3Bp3%3Dp%3B%7D%5Cx05printf%28%22%25d%2C%25d%2C%25d%22%2Ca%2Cb%2Cc%29)
输入三个整数,从小到大排列,用指针#includemain(){\x05int a,b,c;\x05int *p1,*p2,*p3,*p;\x05scanf("%d%d%d",&a,&b,&c);\x05p1=&a;\x05p2=&b;\x05p3=&c;\x05if(a>b)\x05{ p=p1;p1=p2;p2=p;}if(b>c)\x05{ p=p2;p2=p3;p3=p;}\x05printf("%d,%d,%d",a,b,c)
输入三个整数,从小到大排列,用指针
#include
main()
{
\x05int a,b,c;
\x05int *p1,*p2,*p3,*p;
\x05scanf("%d%d%d",&a,&b,&c);
\x05p1=&a;
\x05p2=&b;
\x05p3=&c;
\x05if(a>b)
\x05{ p=p1;p1=p2;p2=p;}
if(b>c)
\x05{ p=p2;p2=p3;p3=p;}
\x05printf("%d,%d,%d",a,b,c);
}
这个程序哪出问题了,请指示
输入三个整数,从小到大排列,用指针#includemain(){\x05int a,b,c;\x05int *p1,*p2,*p3,*p;\x05scanf("%d%d%d",&a,&b,&c);\x05p1=&a;\x05p2=&b;\x05p3=&c;\x05if(a>b)\x05{ p=p1;p1=p2;p2=p;}if(b>c)\x05{ p=p2;p2=p3;p3=p;}\x05printf("%d,%d,%d",a,b,c)
你叫唤的是指针指向,但目标abc的值没有改变
#include
main()
{
int a,b,c, n;
int *p1,*p2,*p3;
scanf("%d%d%d",&a,&b,&c);
p1=&a;
p2=&b;
p3=&c;
if(a>b)
{ n=*p1;*p1=*p2;*p2=n;}
if(b>c)
{ n=*p2;*p2=*p3;*p3=n;}
if(a > b)
{ n = *p1; *p1 = *p2; *p2 = n;}
printf("%d,%d,%d",a,b,c);
}