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1472B.cpp
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79 lines (74 loc) · 1.63 KB
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//HHM
// DATE: 03-09-2022
//TIME:16:56:12
#include <bits/stdc++.h>
using namespace std;
#define ll long long int
#define dbl double
#define deb(v) cout << #v << " " << v << "\n"
#define deb2(v, k) cout << #v << " " << v << "\n" \
<< #k << " " << k << "\n"
#define vin(name,size) \
for (i = 0; i<size ;i++)\
cin>>name[i]
#define vout(name) \
for (i = 0; i<name.size();i++) \
cout<<name[i]<<" "; \
cout << endl
#define vec(type1, name) vector<type1> name
#define vp(type1, type2, name) vector<pair<type1, type2>> name
#define st(type, name) set<type> name
#define mpp(type1, type2, name) map<type1, type2> name
#define pb push_back
#define MP make_pair
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define part(x, a, b) x.begin() + a, x.begin() + b
#define Pi 3.1415926535897932384626
ll power(ll a,ll b){
ll res=1;
for(ll i=1;i<=b;i++)res*=a;
return res;
}
void HHM()
{
ll i, j, k;
ll n;
cin >> n;
ll o=0,tw=0;
for(i=0;i<n;i++){
ll d;cin>>d;
if(d==1)o++;
else tw++;
}
if(tw%2 && o>=2){
tw++;
o-=2;
}
if(!(tw%2) && !(o%2)){
cout<<"YES\n";
return;
}cout<<"NO\n";
//set<ll>st;
//map<ll,ll>mp;
//string s;cin>>s;
//vector<ll>v(n,0);
return;
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
ll t = 1;
cin >> t;
//ll tt=1;
while (t--)
{
//cout << "Case #" << tt << ": ";
HHM();
//tt++;;
}
}
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);