#20086: 記得開long long,c++輸出要優化


froghackervirus@gmail.com (Cow Frog)

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2019-12-23 15:08:51
e346. 區間和練習 | From: [210.71.78.242] | Post Date : 2019-11-27 14:35

ios_base::sync_with_stdio(false);
cin.tie(0);

 

貼在main裡面可以減少cin cout的時間

 
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