#include<bits/stdc++.h>
using namespace std;
typedef struct{
	int weight;
	int id;
	int par,lchild,rchild;
}HTNode,*HuffmanTree;
priority_queue<HTNode> q;
bool operator<(HTNode a,HTNode b){
	return a.weight>b.weight;
}
void createtree(HuffmanTree &HT,int n){
	if(n<=1) return ;
 

	int m;
	m=2*n-1;
	HT=new HTNode[1000];
	memset(HT,0,sizeof(HT));
	for(int i=1;i<=n;i++){
		 cin>>HT[i].weight;
		 HT[i].id=i;
		 q.push(HT[i]);
	}
	int s1,s2;
	for(int i=n+1;i<=m;i++){
		if(q.size()>1){
			s1=q.top().id;
			q.pop();
			s2=q.top().id;
			q.pop();
		}
		HT[s1].par=i;
		HT[
 
s2].par=i;
		HT[i].lchild=s1;
		HT[i].rchild=s2;
		HT[i].weight=HT[s1].weight+HT[s2].weight;
		HT[i].id=i;
		q.push(HT[i]);
	}
} 
void hfmc(HuffmanTree HT,int n){
	stack<char> HC;
	for(int i=1;i<=n;i++){
		int c=i;
		int f=HT[i].par;
		while(f){
			if(HT[f].lchild==c) HC.push('0');
			else HC.
 
push('1');
			c=f;f=HT[f].par;
		}
		cout<<"序號為"<<i<<"的huffman編碼"<<endl;
		while(!HC.empty()){
			cout<<HC.top();
			HC.pop();
		}
		puts(""); 
	}
}
int main(){
	int n;
	cin>>n;
	HuffmanTree HT;
	puts("輸入n個節點的權值");
	createtree(HT,n);
	hfmc(HT,n);
	return 0;
}