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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main()
  6.   {
  7.    unsigned pagecount;
  8.    for(cin>>pagecount;pagecount--;cout<<endl)
  9.      {
  10.       unsigned size;
  11.       cin>>size;
  12.       vector<int> tb(size);
  13.       for(unsigned i=0;i<size;++i) cin>>tb[i];
  14.       for(unsigned i=1;i<size;i+=2) cout<<tb[i]<<' ';
  15.       for(unsigned i=0;i<size;i+=2) cout<<tb[i]<<' ';      
  16.      }
  17.    return 0;
  18.   }
Success #stdin #stdout 0s 3476KB
comments ()
stdin
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2 
3 5 7 2
4 2 1 4 3
stdout
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7 5 2 
1 3 2 4
https://ideone.com/odYMN7
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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