LeetCode Weekly Contest 70是LeetCode举办的第七十四场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-70/
题解列表：
LeetCode 779. K-th Symbol in Grammar
归档 2018年2月4日
LeetCode Weekly Contest 70解题报告
[LeetCode]Swim in Rising Water
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 778. Swim in Rising Water
On an N x N grid, each square grid[i][j] represents the elevation at that point (i,j).
Now rain starts to fall. At time t, the depth of the water everywhere ...
[LeetCode]Swap Adjacent in LR String
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 777. Swap Adjacent in LR String
In a string composed of 'L', 'R', and 'X' characters, like "RXXLRXRXL", a move consists of either replacing one occurrence of "XL" with "LX", or replacing one occurrence of "RX" with "XR" ...
[LeetCode]Split BST
作者是
发布于
在
LeetCode.
题目描述：
Given a Binary Search Tree (BST) with root node root, and a target value V, split the tree into two subtrees where one subtree has nodes that are all smaller or equal to the target value ...
[LeetCode]K-th Symbol in Grammar
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 779. K-th Symbol in Grammar
On the first row, we write a 0. Now in every subsequent row, we look at the previous row and replace each occurrence of 0 with 01, and each occurrence of 1 with ...