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  1. #include <cstdio>
  2. #include <string>
  3. #include <iostream>
  4. using namespace std;
  5. int main(){
  6.     unsigned int t,n,x,z;
  7.     bool l;
  8.     string b;
  9.     scanf("%d",&t);
  10.     while(t--){
  11.         l=true;
  12.         b="";
  13.         scanf("%d",&n);
  14.         z=n;
  15.         while(n--){
  16.             if(l==true){
  17.                 scanf("%s",&x);
  18.                 b+=x;
  19.                 if(z%2==0)
  20.                     if(n!=1)
  21.                         b+=" ";
  22.                 if(z%2==1)
  23.                     if(n!=0)
  24.                         b+=" ";
  25.                 l=false;
  26.             }
  27.             else{
  28.                 scanf("%d",&x);
  29.                 cout<<x<<" ";
  30.                 l=true;
  31.             }
  32.         }
  33.         cout<<b<<endl;
  34.     }
  35.     return 0;
  36. }
Success #stdin #stdout 0s 2820KB
comments ()
stdin
copy 
2 
4 111 211 311 511
3 922 822 722
stdout
copy 
211 511 1 3
822 9 7
https://ideone.com/loxbTu
language:
C++ 4.3.2 (gcc-4.3.2)
created:
9 years ago
visibility:
secret

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