原題鏈接在這里:https://leetcode.com/problems/campus-bikes/ 題目: On a campus represented as a 2D grid, there are N workers and M bikes, with N <= M. Each ...
直接根據最短distance greedy做。 用了優先隊列,C less lt type gt 是大的先,所以我們可以重載 lt 符號,把邏輯反過來。 第二種寫法不用結構體,節省了空間復雜度,但是每次cmp的時候都要計算dist,但是時間會翻倍。 這里采用了 lambda funtion,注意 priority queue 里 lambda 的寫法。 時間復雜度:mnlog mn ,因為有mn對 ...
2019-09-05 12:05 0 685 推薦指數:
原題鏈接在這里:https://leetcode.com/problems/campus-bikes/ 題目: On a campus represented as a 2D grid, there are N workers and M bikes, with N <= M. Each ...
On a campus represented as a 2D grid, there are N workers and M bikes, with N <= M. Each worker and bike is a 2D coordinate on this grid. Our ...
Basic: Backtracking + pruning DP: refer to https://leetcode.com/problems/campus-bikes-ii/discuss/305218/DFS- ...
原題鏈接在這里:https://leetcode.com/problems/campus-bikes-ii/ 題目: On a campus represented as a 2D grid, there are N workers and M bikes, with N <= M. ...
Backtracing + Pruning (TLE) 最容易的解法是 backtracing,但是即使加了剪枝,還是會超時。 Backtracing + Memoizatio ...
/strengthen/LeetCode➤原文地址:https://www.cnblogs.com/stren ...
[ 提交][ 狀態][ 討論版][命題人: admin] 題目描述 輸入一個正整數n,判斷n是否是素數,若n是素數,輸出”Yes”,否則輸出”No”。 輸入 ...
看了《Python項目案例開發從入門到實戰》(清華大學出版社 鄭秋生 夏敏捷主編)中爬蟲應用——校園網搜索引擎,這一章節涉及到的內容有: 數據庫的基本使用 正則表達式 中文分詞 ...