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luggage.cpp
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luggage.cpp
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#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <cstring>
#include <map>
#include <sstream>
using namespace std;
#define F first
#define S second
typedef long long ll;
typedef pair<int,int> pii;
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
// freopen("in.txt","r",stdin);
// freopen("out.txt","w",stdout);
int n;
cin>>n;
cin.ignore();
while(n--){
string str;
getline(cin,str);
stringstream ss(str);
vector<int> s;
int tmp,sum=0;
while(ss >> tmp){
s.push_back(tmp);
sum+=tmp;
}
bool dp[sum+5];
memset(dp,false,sizeof(dp));
dp[0]=true;
if(sum%2)
cout<<"NO\n";
else{
sort(s.begin(),s.end());
int sz = int(s.size());
for(int i=0;i<sz;i++){
for(int j=sum;j>=s[i];j--){
if(dp[j-s[i]])
dp[j]=true;
}
}
if(dp[sum/2])
cout<<"YES\n";
else
cout<<"NO\n";
}
}
return 0;
}