[問題] Codeforces problemset 214B
我的解法就是暴力去算,
不過在排列這邊超時,
請問大家會怎麼做?
http://pastebin.com/mZNKFxMr
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推
08/02 21:27, , 1F
08/02 21:27, 1F
→
08/02 21:27, , 2F
08/02 21:27, 2F
→
08/02 21:37, , 3F
08/02 21:37, 3F
→
08/02 21:38, , 4F
08/02 21:38, 4F
推
08/03 00:11, , 5F
08/03 00:11, 5F
→
08/03 00:13, , 6F
08/03 00:13, 6F
→
08/03 01:14, , 7F
08/03 01:14, 7F