Untitled
unknown
python
3 years ago
338 B
22
Indexable
for q in range(int(input())): n=int(input()) s=list(map(int,input().split())) b=[] while (len(s)!=0): if s[0]==0: b.insert(0,0) else: b.append(1) if s.pop()==1: b.insert(0,1) else: b.append(0) s.remove(s[0]) print("".join(b))
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