1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107
|
#include <bits/stdc++.h> #define FOR(i, a, b) for (int i = (a); i <= (b); ++i) #define ROF(i, a, b) for (int i = (a); i >= (b); --i) #define all(x) x.begin(),x.end() #define CLR(i,a) memset(i,a,sizeof(i)) #define fi first #define se second #define pb push_back #define SZ(a) ((int) a.size())
using namespace std;
typedef long long ll; typedef unsigned long long ull; typedef __int128 i128; typedef pair<ll,ll> pll; typedef array<ll,3> arr; typedef double DB; typedef pair<DB,DB> pdd; typedef pair<ll,bool> plb; constexpr ll MAXN=static_cast<ll>(1e6)+10,INF=static_cast<ll>(5e18)+3;
ll N,M,T,A[MAXN];
inline void solve(){ cin>>N; ll maxA=0; bool isAllOdd=true; bool isAllEven=true; ll cntOdd=0; ll sum=0; FOR(i,1,N){ cin>>A[i]; maxA=max(maxA,A[i]); if(A[i]%2==0) isAllOdd=false; if(A[i]&1) isAllEven=false,++cntOdd; sum+=A[i]; } if(isAllOdd || isAllEven){ cout<<maxA<<"\n"; return; } cout<<sum-(cntOdd-1)<<"\n"; }
int main() { ios::sync_with_stdio(false); cin.tie(0);cout.tie(0); cin>>T; while(T--){ solve(); } return 0; }
|