原题链接在这里:https://leetcode.com/problems/campus-bikes/ 题目: On a campus represented as a 2D grid, there are N workers and M bikes, with N <= M. Each ...
直接根据最短distance greedy做。 用了优先队列,C less lt type gt 是大的先,所以我们可以重载 lt 符号,把逻辑反过来。 第二种写法不用结构体,节省了空间复杂度,但是每次cmp的时候都要计算dist,但是时间会翻倍。 这里采用了 lambda funtion,注意 priority queue 里 lambda 的写法。 时间复杂度:mnlog mn ,因为有mn对 ...
2019-09-05 12:05 0 685 推荐指数:
原题链接在这里:https://leetcode.com/problems/campus-bikes/ 题目: 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- ...
原题链接在这里:https://leetcode.com/problems/campus-bikes-ii/ 题目: 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,还是会超时。 Backtracing + Memoizatio ...
/strengthen/LeetCode➤原文地址:https://www.cnblogs.com/stren ...
[ 提交][ 状态][ 讨论版][命题人: admin] 题目描述 输入一个正整数n,判断n是否是素数,若n是素数,输出”Yes”,否则输出”No”。 输入 ...
看了《Python项目案例开发从入门到实战》(清华大学出版社 郑秋生 夏敏捷主编)中爬虫应用——校园网搜索引擎,这一章节涉及到的内容有: 数据库的基本使用 正则表达式 中文分词 ...