LeetCode contest 200 5475. 统计好三元组 Count Good Triplets
LeetCode contest 200 5475. 统计好三元组 Count Good TripletsTable of Contents一、中文版二、英文版三、My answer四、解题报告一、中文版给你一个整数数组 arr ,以及 a、b 、c 三个整数。请你统计其中好三元组的数量。如果三元组 (arr[i], arr[j], arr[k]) 满足下列全部条件,则认为它是一个 好三元组 。....
LeetCode 5340. 统计有序矩阵中的负数 Count Negative Numbers in a Sorted Matrix
LeetCode 5340. 统计有序矩阵中的负数 Count Negative Numbers in a Sorted MatrixTable of Contents中文版:英文版:My answer:解题报告:中文版:给你一个 m * n 的矩阵 grid,矩阵中的元素无论是按行还是按列,都以非递增顺序排列。 请你统计并返回 grid 中 负数 的数目。示例 1:输入:grid ....
LeetCode 357. Count Numbers with Unique Digits
DescriptionGiven a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n.Example:Input: 2Output: 91Explanation: The answer should be the total numbers in the range of ....

LeetCode 315. Count of Smaller Numbers After Self
DescriptionYou are given an integer array nums and you have to return a new counts array. The counts array has the property where counts[i] is the number of smaller elements to the right of nums[i].E....

LeetCode 222. Count Complete Tree Nodes
DescriptionGiven a complete binary tree, count the number of nodes.Note:Definition of a complete binary tree from Wikipedia:In a complete binary tree every level, except possibly the last, is complet....

LeetCode 204. Count Primes
DescriptionCount the number of prime numbers less than a non-negative number, n.Example:Input: 10Output: 4Explanation: There are 4 prime numbers less than 10, they are 2, 3, 5, 7.描述统计所有小于非负整数 n 的质数的数....

[LeetCode]38.Count and Say
【题目】 The count-and-say sequence is the sequence of integers beginning as follows:1, 11, 21, 1211, 111221, ... 1 is read off as "one 1" or 11.11 is read off as "two 1s"&nb...
LeetCode 38 Count and Say(计数与报数)
翻译 计数报数序列按如下规律开始递增: 1,11,21,1211,111221,…… 1 读作“1个1”或11. 11 读作“2个1”或21. 21 读作“1个2,1个1”或1211. 给定一个整数n,生成第n个序列。 备注:数字序列应该用字符串表示。 原文 The count-and-say sequence is the sequence of integers beginn...
LeetCode之Count and Say
1、题目The count-and-say sequence is the sequence of integers with the first five terms as following:1. 1 2. 11 3. 21 4. 1211 5. 1112211 is read off as "one 1" or 11.11 is read off a...
LeetCode 204 Count Primes(质数计数)(*)
版权声明:转载请联系本人,感谢配合!本站地址:http://blog.csdn.net/nomasp https://blog.csdn.net/NoMasp/article/details/50617645 翻译 计算小于一个非负整数n的质数的个数。 原文 Count the numbe...

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