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57842
李其霏
2023经开区信息技术合格性考试-2
Python3
Accepted
100
48 MS
4448 KB
96
2025-06-24 15:05:25
Tests(5/5):
n=int(input()) ans=1 for i in range(1,n+1,1): if i%2==0: ans=ans*i print(ans)
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