#include <stdio.h>
int main(){ int *p1,*p2,a=10,b=20,c; p1=&a; p2=&b; if(a<b) { c=a; a=b; b=c; } printf("a=%d,b=%d ",a,b); printf("最大值=%d,最小值=%d ",*p1,*p2); return 0;}