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General
 
 
# Author Problem Lang Verdict Time Memory Sent Judged  
100702571 Practice:
Sids0911 		1438B - 22 Python 3 Accepted 124 ms 1336 KB 2020-12-08 17:15:14 2020-12-08 17:15:14
→ Source 
for s in[*open(0)][2::2]:
    b=s.split()
    print('YNEOS'[len(b)==len({*b})::2])
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Time: ? ms, memory: ? KB
Verdict: ?
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