1 #include <stdio.h> 2 #include <stdlib.h> 3 4 int main(){ 5 int a=5; 6 int b=8; 7 printf("a=%d,b=%d",a,b); 8 9 a=a^b;(按位异或)10 b=a^b;11 a=a^b; 12 13 printf("a=%d,b=%d",a,b);14 }