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1845A - Forbidden Integer.cpp
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1845A - Forbidden Integer.cpp
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#include <bits/stdc++.h>
using namespace std;
template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
void dbg_out() { cerr << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); }
#ifdef LOCAL
#define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif
#define ar array
#define ll long long
#define ld long double
#define sza(x) ((int)x.size())
#define all(a) (a).begin(), (a).end()
const int MAX_N = 1e5 + 5;
const ll MOD = 1e9 + 7;
const ll INF = 1e9;
const ld EPS = 1e-9;
void solve() {
int n,k,x;
cin>>n>>k>>x;
if(k==1 && x==1) cout<<"NO"<<"\n";
else if(k==2 && x==1 && n&1) cout<<"NO"<<"\n";
else if(x!=1){
cout<<"Yes"<<endl<<n<<endl;
for(int i =0; i<n; i++) cout<<1<<" "; cout<<"\n";
}
else{
cout<<"YES"<<endl<<n/2<<endl;
for(int i =0; i<n/2; i++) if(i==n/2-1) cout<<(n&1?3:2)<<" "; else cout<<2<<" "; cout<<endl;
}
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int tc = 1;
cin>>tc;
for (int t = 1; t <= tc; t++) {
solve();
}
}