2.swap浼犻掔殑搴旇鏄湴鍧
#include<stdio.h>
//浜ゆ崲x,y,浼犺繃鏉ョ殑鏄湴鍧,榪樹笉鏄?/span>
void swap(int *x, int *y)
{
int tmp;
tmp = *x;
*x = *y;
*y = tmp;
}
//鎸変粠澶у埌灝忛『搴忚緭鍑?涓暟,鍐掓場(chǎng)鎺掑簭
void main()
{
int x,y,z,tmp;
scanf("%d,%d,%d",&x,&y,&z); //鏍煎紡鍖栬緭鍏?"7,9,8",娉ㄦ剰閫楀彿,鍜宻canf淇濇寔涓鑷?/span>
if(x < y)
swap(&x,&y);
if(y < z)
swap(&y,&z);
if(x < y)
swap(&x,&y);
printf("%d,%d,%d",x,y,z);
system("pause");
}

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