RT.

https://www.luogu.com.cn/record/101668091

代码：

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

int T,n,m,k;

int main(){
	scanf("%d",&T);
	while(T--){
		scanf("%d%d%d",&n,&k,&m);
		if((int)log2(k)>(int)log2(m)||(k>m&&n==1)){
		//	cout<<(int)log2(k)<<" "<<(int)log2(m)<<endl;
			printf("-1\n");
			continue;
		}
		if(n==1){
			printf("%d\n",k);
			continue;
		}
		int x=(int)log2(k);
		printf("%d %d ",1<<x,k-(1<<x));
		for(int i=3;i<=n;i++)printf("0 ");
		printf("\n");
	}
	return 0;
} 

thx qwq