OJ-Problems-Source/HDOJ/3537_autoAC.cpp
2016-09-04 14:11:53 +08:00

36 lines
657 B
C++

#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string.h>
using namespace std;
int SG(int x)
{
int tmp = x;
int cnt = 0;
while(tmp)
{
if(tmp&1)cnt++;
tmp>>=1;
}
if(cnt&1)return 2*x;
else return 2*x + 1;
}
int a[110];
int main()
{
int n;
while(scanf("%d",&n)==1)
{
for(int i = 0;i < n;i++)
scanf("%d",&a[i]);
sort(a,a+n);
n = unique(a,a+n)-a;
int sum = 0;
for(int i = 0;i < n;i++)
sum ^= SG(a[i]);
if(sum)printf("No\n");
else printf("Yes\n");
}
return 0;
}