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. ...
原文：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 Memoization 加一个memo减少递归次数。由于上面的写法的递归函数返回void，要修改为有返回值的写法才能运用memo。 让 dfs 返回值为最小的距离和，然后将 bikeUsed 作为判断标识。由于bike的数量 lt ，我们可以用int二进制 ...
2019-07-29 06:25 0 1206 推荐指数：
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