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# Author Problem Lang Verdict Time Memory Sent Judged  
99526879 Practice:
Yupeng_Dong 		1438B - 22 Python 3 Accepted 109 ms 780 KB 2020-11-25 09:08:00 2020-11-25 09:08:02
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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: ?
Input
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Participant's output
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Jury's answer
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