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# Author Problem Lang Verdict Time Memory Sent Judged  
98417835 Practice:
noisegain
1438B - 22 Python 3 Accepted 140 ms 1500 KB 2020-11-15 10:09:01 2020-11-15 10:09:01
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from collections import Counter as c
for s in [*open(0)][2::2]: print('NYOE S'[c(s.split()).most_common(1)[0][1]>1::2])
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Time: ? ms, memory: ? KB
Verdict: ?
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