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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. #pragma region Macros
  5. #define Faster ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
  6. #define ll long long
  7. #define ld long double
  8. #define pii pair<int, int>
  9. #define pll pair<long long, long long>
  10. #define all(x) x.begin(), x.end()
  11. #define rall(x) x.rbegin(), x.rend()
  12. #define pb push_back
  13. #define ff first
  14. #define ss second
  15. #define endl '\n'
  16. #define yes cout << "YES" << endl
  17. #define no cout << "NO" << endl
  18. #define m1 cout << -1 << endl
  19. #pragma endregion
  20.  
  21. #pragma region Math
  22. const ll MOD = 1e9 + 7;
  23. ll gcd(ll a, ll b) { return __gcd(a, b); }
  24. ll lcm(ll a, ll b) { return (a / gcd(a, b)) * b; }
  25. #pragma endregion
  26.  
  27. void solve() {
  28.     int n;  cin>>n;
  29.     // vector<int>v(n);
  30.     ll ce=0, co=0, sum=0, mx=0;
  31.     for(int i=0;i<n;i++){
  32.         ll x;  cin>>x;
  33.         if(x%2==0) ce++;
  34.         else co++;
  35.         sum+=x;
  36.         mx=max(mx,x);
  37.     }
  38.     if(ce==0 or co==0)  cout<<mx<<endl;
  39.     else cout<<sum-(co-1)<<endl;
  40. }
  41.  
  42. int main() {
  43.     Faster;
  44.     int t = 1;
  45.     cin >> t;
  46.     while (t--) solve();
  47.     return 0;
  48. }
Success #stdin #stdout 0s 5324KB
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stdout
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9
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https://ideone.com/4i16Jv
language:
C++ (gcc 8.3)
created:
22 hours ago
visibility:
public

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