C語言之按位異或

C語言之按位異或

#include <stdio.h>
int main()
{
 int arr[]={1,2,3,4,5,6,1,2,3,4,5,6,7};
 int i=0;
 int find=0;
 for(i=0;i<sizeof(arr)/sizeof(arr[0]);i++)
 {
  find ^= arr[i];
 }
 printf("%d\n",find);
 return 0;
}