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
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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
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 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" ...
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 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 ...