20分求助!

P5737 【深基7.例3】闰年展示

6 `cin>>num>>cd;` 13 `cout<<fg<<"\n";`
by PvbeLLN @ 2024-01-06 14:50:57


@[PubeLLN](/user/820947) 谢谢,可以了
by Alice_star @ 2024-01-06 14:54:18


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