class Solution: def busyStudent(self, startTime: List[int], endTime: List[int], queryTime: int) -> int: rat = 0 for i in range(len(startTime)): if startTime[i] - 1 < queryTime < endTime[i] + 1: rat += 1 return rat分类: LeetCode 标签: Array 好文要顶 关注我 收藏该文 ...
problem 1207. Unique Number of Occurrences solution #1: 多个map或者set; code solution #2: 排序判断; code 参考 1.leetcode_1207. Unique Number of Occurrences; 2.cplusplus_map; 完 各美其美,美美与共,不和他人作比较,不对他人有期待,不批判他人,不钻牛角尖。 心正意诚,做自己该做的事情,做自己喜欢...
explore diverse LeetCode solutions. Contribute to xxxVitoxxx/leetcode development by creating an account on GitHub.
My Solutions to Leetcode problems. All solutions support C++ language, some support Java and Python. Multiple solutions will be given by most problems. Enjoy:) 我的Leetcode解答。所有的问题都支持C++语言,一部分问题支持Java语言。近乎所有问题都会提供多个算
今天使用Python的sklearn模块训练模型时,报错ValueError: The number of classes has to be greater than one; got 1 class,如下: 最后发现是样本原因,y变量只有一个类型,如下: 这也是报错的原因,指的是我们的预测变量y只有一个类型。...【LeetCode 1248】 Count Number of Nice Subarrays 题目描述 Given an...
Kid 2 has 3 candies and if he or she receives at least 2 extra candies will have the greatest number of candies among the kids. Kid 3 has 5 candies and this is already the greatest number of candies among the kids. Kid 4 has 1 candy and even if he or she receives all extra candi...
LeetCode 476. Number Complement (数的补数) Given a positive integer, output its complement number. The complement strategy is to flip the bits of its binary representation. Note: The given integer is guaranteed to fit within the range of a 32-bit signed integer....
(dfs) leetcode 200:Number of Islands 思路:深度优先搜索,两层循环遍历一遍grid,若该网格为1则进行深度优先搜索并将走过的结点的visit置1,记录连接分量的个数。 classSolution {public:voidsearch(vector<vector<char>>& grid,inti,intj, vector<vector<int>>&visit){...
Memory Usage:13.8 MB, less than72.99% of Python3 online submissions for Happy Number. 【解法三】 思路:在数字1-9中,2-6都不是快乐数,并且非快乐数都会陷入一个循环。 classSolution:defisHappy(self, n: int) ->bool:whilen> 6: n= sum([int(i)**2foriinstr(n)])returnn==1 ...