原文:LeetCode 1057. Campus Bikes

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:

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LeetCode 1057. Campus Bikes

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 ...

Thu Jan 16 21:20:00 CST 2020 0 1162
[LeetCode] 1057. Campus Bikes 校园自行车

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 ...

Sun Mar 28 20:20:00 CST 2021 1 436
Leetcode: Campus Bikes II

Basic: Backtracking + pruning DP: refer to https://leetcode.com/problems/campus-bikes-ii/discuss/305218/DFS- ...

Thu Oct 03 00:13:00 CST 2019 0 782
LeetCode 1066. Campus Bikes II

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. ...

Fri Jan 17 16:09:00 CST 2020 0 937
LeetCode 1066. Campus Bikes II

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 ...

Mon Jul 29 14:25:00 CST 2019 0 1206
1057: 素数判定

[ 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 ...

Sat Jun 23 23:09:00 CST 2018 0 932
 
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