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題目 2068:

[STL訓練]Ignatius and the Princess IV

時間限制: 2s 內存限制: 192MB 提交: 419 解決: 236

題目描述

"OK, you are not too bad, em... But you can never pass the next 
test." feng5166 says."I will tell you an odd number N, and then N integers. There will be a special integer among them, you have to tell me which integer is the special one after I tell you all the integers." feng5166 says."But what is the characteristic of the special integer?" Ignatius asks.        
"The integer will appear at least (N+1)/2 times. If you can't find the right integer, I will kill the Princess, and you will be my dinner, too. Hahahaha....." feng5166 says.
Can you find the special integer for Ignatius?

輸入格式

The input contains several test cases. Each test case contains two lines. The first line consists of an odd integer N(1<=N<=999999) which indicate the number of the integers feng5166 will tell our hero.  The second line contains the N integers. The input is terminated by the end of file.

輸出格式

For each test case, you have to output only one line which contains 
the special number you have found.

樣例輸入

5 
1 3 2 3 3 
11 
1 1 1 1 1 5 5 5 5 5 5 
7 
1 1 1 1 1 1

樣例輸出

3
5
1

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