LeetCode Weekly Contest 54是LeetCode举办的第五十八场正式周赛,共4道题目,比赛时长1.5小时。
比赛链接:https://leetcode.com/contest/leetcode-weekly-contest-54/
题解列表:
LeetCode 697. Degree of an Array
LeetCode 696. Count Binary Substrings
LeetCode Weekly Contest 54是LeetCode举办的第五十八场正式周赛,共4道题目,比赛时长1.5小时。
比赛链接:https://leetcode.com/contest/leetcode-weekly-contest-54/
题解列表:
LeetCode 697. Degree of an Array
LeetCode 696. Count Binary Substrings
On an infinite number line (x-axis), we drop given squares in the order they are given.
The i
-th square dropped (positions[i] = (left, side_length)
) is a square with the left-most point being positions[i ...
LeetCode 698. Partition to K Equal Sum Subsets
Given an array of integers nums
and a positive integer k
, find whether it's possible to divide this array into k
non-empty subsets whose sums are all equal.
Example 1:
Input ...
LeetCode 696. Count Binary Substrings
Give a string s
, count the number of non-empty (contiguous) substrings that have the same number of 0's and 1's, and all the 0's and all the 1's in these substrings are grouped consecutively ...
LeetCode 697. Degree of an Array
Given a non-empty array of non-negative integers nums
, the degree of this array is defined as the maximum frequency of any one of its elements.
Your task is to find the smallest possible ...