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文章 2023-01-07 来自：开发者社区

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 ....

文章 2023-01-05 来自：开发者社区

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 357. Count Numbers with Unique Digits
文章 2023-01-05 来自：开发者社区

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 315. Count of Smaller Numbers After Self
文章 2022-02-16 来自：开发者社区

leetCode 357. Count Numbers with Unique Digits | Dynamic Programming | Medium

357. Count Numbers with Unique Digits Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. Example: Given n = 2, return 91. (The answer should be th...

文章 2022-02-16 来自：开发者社区

[LeetCode] Count of Smaller Numbers After Self 计算后面较小数字的个数

You 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 elemen...

文章 2022-02-16 来自：开发者社区

[LeetCode] Count Numbers with Unique Digits 计算各位不相同的数字个数

Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤ x < 10n. Example: Given n = 2, return 91. (The answer should be the total numbers in the range of 0 ≤ x ...

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