2 45 45 3 3 6 9 5 5 7 8 9 10 0
No Yes 9 5 Yes 8 1 9 0 10 3
题意:中文题.....不说了....
分析:这不和hdu1850差不多嘛;稍微改一下不就行了
#include <iostream>
#include <cstdio>
#include <cstring>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <vector>
#include <cmath>
#include <algorithm>
using namespace std;
const double eps = 1e-6;
const double pi = acos(-1.0);
const int INF = 1e9;
const int MOD = 1e9+7;
#define ll long long
#define CL(a,b) memset(a,b,sizeof(a))
#define lson (i<<1)
#define rson ((i<<1)|1)
#define N 50010
int gcd(int a,int b)
{
return b?gcd(b,a%b):a;
}
int n,a[200000+10];
int main()
{
while(scanf("%d",&n),n)
{
int sum=0,ans=0;
for(int i=0; i<n; i++)
{
scanf("%d",&a[i]);
sum ^= a[i];
}
if(sum==0) cout<<"No"<<endl;
else
{
cout<<"Yes"<<endl;
for(int i=0; i<n; i++)
{
if((sum^a[i]) <= a[i])
cout<<a[i]<<" "<<(sum^a[i])<<endl;
}
}
}
return 0;
}
原文:http://blog.csdn.net/d_x_d/article/details/52124585