uva 12714 2013Dhaka F

题意：给一个向量输出任意与它垂直的向量 ，不能出现负数。

思路：直接输出(d, a) (b, c)

代码如下：

/**************************************************
 * Author     : xiaohao Z
 * Blog     : http://www.cnblogs.com/shu-xiaohao/
 * Last modified : 2014-07-05 20:23
 * Filename     : uva_12714.cpp
 * Description     : 
 * ************************************************/

#include <iostream>
#include <cstdio>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <algorithm>
#include <queue>
#include <stack>
#include <vector>
#include <set>
#include <map>
#define MP(a, b) make_pair(a, b)
#define PB(a) push_back(a)

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<unsigned int,unsigned int> puu;
typedef pair<int, double> pid;
typedef pair<ll, int> pli;
typedef pair<int, ll> pil;

const int INF = 0x3f3f3f3f;
const double eps = 1E-6;

int main()
{
//    freopen("in.txt", "r", stdin);

    ll a, b, c, d, kase = 1, T;
    cin >> T;
    while(T--){
        cin >> a >> b >> c >> d;
        cout << "Case " << kase++ << ": ";
           cout << d << ' ' << a  << ' ' << b << ' ' << c << endl;
    }
    return 0;
}