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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6F推: induction (數學歸納法) 無誤04/01 21:40
1F推: 概念: 一個數沒比過不會知道他是不是最大03/31 20:38
2F推: 大師定理: a = 1, b = 2, log_b a = 0, 合 case 203/04 01:14
3F→: 其解為 T(n) = O(log^2 n)03/04 01:14
1F推: a 陣列元素好像沒說一定是正的...02/28 08:19
1F推: 你的做法就是 O(nlogn)01/28 21:51
2F→: 再一個提示好了: O(nlogn) 會 TLE 所以得用 O(n) 法01/28 21:52
3F→: 這代表每一個輸入只能用 O(1) 處理01/28 21:52
4F→: 有什麼方法可以讓每個輸入都是 O(1) 處理時間呢?01/28 21:52
5F→: 注意輸入資料的限制!01/28 21:53
1F推: 容易知道 reweight 後任一 cycle 的總 cost 不變12/25 03:47
2F→: 且 reweight 後任一邊皆非負, 故零圈上的邊都會變成零12/25 03:49
8F推: 我的感覺是如果只准比較那好像逃不出 O(nlogn)12/04 14:54
9F→: 不過暫時還沒有證明就是了...12/04 14:55
3F推: 條件只有最接近所以 (1000,1) 的答案確實是 99911/01 00:24
4F→: 應該還有一種關鍵測資 (2243,2)11/01 00:26
5F→: 這個答案是 2242 或 2244 或皆可題目應該要說明一下11/01 00:26
11F→: kd-tree 主要是查詢省時間, 點集固定查詢點很多時很有用11/01 00:28
1F推: 求所有的 order statistics 等於對陣列排序10/27 01:45
2F→: 而取單一個 order 的話則是有線性時間做法的10/27 01:47