HDU 2561 HDOJ 2561 第二小整数 ACM 2561 IN HDU

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/*
Mail to   : miyubai@gamil.com
My Blog   : www.baiyun.me
Link      : http://www.cnblogs.com/MiYu  || http://www.cppblog.com/MiYu
Author By : MiYu
Test      : 1
Complier  : g++ mingw32-3.4.2
Program   : HDU_2561
Doc Name  : 第二小整数 
*/
//#pragma warning( disable:4789 )
#include <iostream>
#include <fstream>
#include <sstream>
#include <algorithm>
#include <string>
#include <set>
#include <map>
#include <utility>
#include <queue>
#include <stack>
#include <list>
#include <vector>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <ctime>
using namespace std; 
int a[20];
int main ()
{
    int T;
    scanf ( "%d", &T );
    while ( T -- ) {
           int N;
           scanf ( "%d", &N );
           for ( int i = 0; i < N; ++ i ) {
                scanf ( "%d", a+i );    
           }      
           sort ( a, a+N );
           printf ( "%d\n", a[1] );
    }
    return 0;
}