LeetCode Weekly Contest 69是LeetCode举办的第七十三场正式周赛,共4道题目,比赛时长1.5小时。
比赛链接:https://leetcode.com/contest/leetcode-weekly-contest-69/
题解列表:
LeetCode 771. Jewels and Stones
LeetCode OJ is a platform for preparing technical coding interviews.
LeetCode Weekly Contest 69是LeetCode举办的第七十三场正式周赛,共4道题目,比赛时长1.5小时。
比赛链接:https://leetcode.com/contest/leetcode-weekly-contest-69/
题解列表:
LeetCode 771. Jewels and Stones
LeetCode 774. Minimize Max Distance to Gas Station
On a horizontal number line, we have gas stations at positions stations[0], stations[1], ..., stations[N-1]
, where N = stations.length
.
Now, we add K
more gas stations so that D ...
On a 2x3 board
, there are 5 tiles represented by the integers 1 through 5, and an empty square represented by 0.
A move consists of choosing 0
and a 4-directionally adjacent number and swapping ...
LeetCode 775. Global and Local Inversions
We have some permutation A
of [0, 1, ..., N - 1]
, where N
is the length of A
.
The number of (global) inversions is the number of i < j
with 0 <= i ...
LeetCode 771. Jewels and Stones
You're given strings J
representing the types of stones that are jewels, and S
representing the stones you have. Each character in S
is a type of stone you have. You want ...