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→:10*3+3*5=5*3+6*5=45...06/27 21:59
4F推:相乘就是變成類似2^a*3^b*5^c...這是OK的06/27 22:10
5F→:問題是這樣一來 int 可能不夠大06/27 22:10
6F→:(應該說很容易不夠大...)06/27 22:10
1F推:唔, 這不就是 bubble sort 的一圈?06/27 21:57
1F推:.....我在他這篇文的首推就在說這件事 @_@06/18 12:29
1F推:其實不用 1~2n...最後一次如果是 2^k 則在 2^(k-1) 到 2^k05/29 05:19
2F→:之間二分搜即可 這一段只有 2^(k-1) 個數所以是 O(k)05/29 05:19
3F→:當然因為 n < 2^k < 2n 所以也是 O(log n) 啦...05/29 05:19
1F推:距離是「歐式」距離嗎? (即各維度差平方和之平方根)05/16 02:11
2F→: 「歐氏」 (奇怪怎麼會打成那個"式"...)05/16 02:12
2F推:我剛剛才仔細看這一題 這不就是 ?1?2...?n=k problem ?04/28 13:27
3F→:(ie. ACM 10025)04/28 13:27
4F推:我拿這題的 code 改個輸入丟上去就過了....(連範圍都沒動)04/28 13:30
1F推:推一個04/22 07:47
2F推:有種 Flow (網路流)的 fu 中午考完試再來仔細想想...04/21 08:51
19F→:>>5(Sany) 所以我才分2b出來 因為那只有五勝一負03/08 12:39
20F→:>>18(tropical72) 他有說是七次「勝負」喔03/08 12:40
25F→:感謝指教 (原本我是想下午上完課來找錯的 XD)03/08 18:32
1F→:順帶一提,這樣實際下去算之後你會發現cosθ和sinθ有很漂亮02/05 19:41
2F→:的值出現,也就是最後你只會剩下幾個簡單的計算而已02/05 19:42