15pts悬2关求hack

#include <bits/stdc++.h>
using namespace std;

signed main(){
	//freopen("w1.in","r",stdin);
	//freopen("w2.out","w",stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);cout.tie(0);
	int t;
	cin>>t;
	//cout<<t<<'\n';
	while(t--){
		int n,x,y;
		cin>>n>>x>>y;
		//cout<<n<<" "<<x<<" "<<y<<'\n';
		if(n==1 && x==0 && y==0){
			cout<<0<<'\n';
			continue;
		}
		if(x+y+2>n){
			cout<<-2<<'\n';
			continue;
		}
		for(int i=1;i<=x+1;i++){
			if(i%2==(x)%2)cout<<1<<" ";
			else cout<<0<<" ";
		}
		cout<<0<<" ";
		for(int i=1;i<y;i++){
			if(i%2==1)cout<<-1<<" ";
			else cout<<0<<" ";
		}
		if(y==0){
			for(int i=x+y+3;i<=n;i++)cout<<0<<" ";
		}else if((y+1)%2==1){
			cout<<0<<" ";
			for(int i=x+y+3,j=1;i<=n;i++,j++){
				if(j%3==1)cout<<1<<" ";
				else if(j%3==2)cout<<-1<<" ";
				else cout<<0<<" ";
			}
		}else {
			cout<<-1<<" ";
			for(int i=x+y+3,j=1;i<=n;i++,j++){
				if(j%3==1)cout<<1<<" ";
				else if(j%3==2)cout<<-1<<" ";
				else cout<<0<<" ";
			}
		}
		cout<<'\n';
	}
	return 0;
}