c语言…………

Question

求助

Answer 1

#include<stdio.h>void swap(int *pa,int *pb);int main(){ int a,b; int *A,*B; A=&a; B=&b; scanf("%d %d",A,B); swap(A,B); printf("a=%d b=%d\n",a,b); return 0;}void swap(int *pa,int *pb){ int temp; temp=*pa; *pa=*pb; *pb=temp;}