LeetCode Weekly Contest 4是LeetCode举办的第三场正式周赛，共4道题目，比赛时长2.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-4/
题解列表：
LeetCode 397. Integer Replacement
作者归档：在线疯狂
LeetCode Weekly Contest 4解题报告
[LeetCode]Evaluate Division
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 399. Evaluate Division
p> Equations are given in the format A / B = k, where A and B are variables represented as strings, and k is a real number (floating point number). Given some queries, return the answers. If ...
[LeetCode]Random Pick Index
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 398. Random Pick Index
Given an array of integers with possible duplicates, randomly output the index of a given target number. You can assume that the given target number must exist in the array.
Note:
The array size ...
[LeetCode]Integer Replacement
作者是
发布于
在
LeetCode.
题目描述：
LeetCode 397. Integer Replacement
Given a positive integer n and you can do operations as follow:
- If n is even, replace n with
n/2. - If n is odd, you can replace n with either
n + 1orn ...
[LeetCode]Rotate Function
作者是
发布于
在
LeetCode.
题目描述：
Given an array of integers A and let n to be its length.
Assume Bk to be an array obtained by rotating the array A k positions clock-wise, we define a "rotation function" F ...