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  1. #include<iostream>
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     int t; cin>>t;
  8.     while(t>0)
  9.     {
  10.         int n; cin>>n;
  11.         int a=0,b=0,s=INT_MAX,p;
  12.         for(int i=0;i<n;i++)
  13.         {
  14.         cin>>p;
  15.         if(p==1)a=1;
  16.         if((p!=1 && p%2!=0)||p==2)
  17.         {
  18.             b=p;
  19.             if(b<s)
  20.             s=b;
  21.         }
  22.         }
  23.         if(a==1)
  24.         cout<<s<<"\n";
  25.         else
  26.         cout<<-1<<"\n";
  27.         t--;
  28.     }
  29. }
Success #stdin #stdout 0s 4340KB
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stdin
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2
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1 2 3
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5 5 5 2
stdout
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https://ideone.com/9oDyV7
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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