HDOJ2095 ( find your present (2) ) 【异或运算】

 

Problem : 2095 ( find your present (2) )     Judge Status : Accepted
RunId : 6068462    Language : G++    Author : qq1203456195
Code Render Status : Rendered By HDOJ G++ Code Render Version 0.01 Beta

#include <stdio.h> int main() { int n,r,t; while (scanf("%d",&n),n) { r=0; while (n--) { scanf("%d",&t); r^=t; } printf("%d\n",r); } return 0; }

 1 #include <stdio.h>
 2 int main()
 3 {
 4     int n,r,t;
 5     while (scanf("%d",&n),n)
 6     {
 7         r=0;
 8         while (n--)
 9         {
10             scanf("%d",&t);
11             r^=t;
12         }
13         printf("%d\n",r);
14     }
15     return 0;
16 }