作者查詢 / LPH66
作者 LPH66 在 PTT [ Prob_Solve ] 看板的留言(推文), 共389則
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1F推:我的想法會是反過來想 用二分搜找出輸入在哪兩個2的次方中間10/11 20:04
1F推:本來還在想會不會有wraparound問題10/11 12:04
2F→:沒看到已經有/7==size-i確定了 :P10/11 12:05
1F推:你要先說你的*是哪國的乘..整數的乘和GF(2^8)的乘是不一樣的10/05 03:13
1F推:唔...我用Mathematica暴力跑f(十萬)的答案是6249608/28 12:43
2F→:我猜這種方法可能會有奇怪的誤差 像是被你捨去的位數有可能08/28 12:44
3F→:會影響答案之類的問題08/28 12:44
4F→:舉個簡單的例子 若求末位非0值的話 若只留1位 到15!就錯了08/28 12:47
5F→:14!=87178291200 => 2; 15!=1307674368000 => 808/28 12:50
3F→:最外層的t就是中介點 所以不必再一層u 正確性由DP保證07/30 22:51
1F推:つhttp://0rz.tw/994x707/30 20:39
2F→:不過連這種東西都拿上來問也難怪你會暑修...07/30 20:40
6F推:提示 考慮G族和K族人的人數的奇偶性06/29 00:50
7F→:這題是ACM某題 我忘了題號了@_@06/29 00:50
8F推:還有這題和Joseph無關 因為會補人06/29 00:55
9F推:找到了 Q10771: Barbarian tribes06/29 01:03
1F推:google://classpath05/24 23:06
1F→:換個想法 紀錄到目前為止輸入的數除以5的餘數04/30 02:55
2F推:(回想一下長除法的餘數部份就知道這想法的道理了)04/30 02:59
1F→:二元體的加對應於二進位的xor 硬體有電路直接做04/14 01:17
2F→:質數體的加就是取同餘的加 實作上方便04/14 01:18