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# Author Problem Lang Verdict Time Memory Sent Judged  
130876838 Practice:
anupam_sudh 		1438B - 22 PyPy 3 Accepted 156 ms 21212 KB 2021-10-05 12:44:54 2021-10-05 12:44:54
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for _ in range(int(input())):
    print('NO' if int(input())==len(set(input().split())) else 'YES')
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Time: ? ms, memory: ? KB
Verdict: ?
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