原题链接在这里:https://leetcode.com/problems/count-of-range-sum/ 题目: Given an integer array nums, return the number of range sums that lie in [lower, upper] LeetCode BST i++ html java 转载 mob604756fe7577 2016-03-26 07:39:00 ...
Given a strings, returnthe number of substrings that have only one distinct letter. Example 1: Input: s = "aaaba" Output: 8 Explanation: The substrings with one distinct letter are "aaa", "aa", "a", "b". "aaa" occurs 1 time. "aa" occurs 2 times. "a" occurs 4 times. "b" ...
题目地址:https://leetcode-cn.com/problems/count-substrings-with-only-one-distinct-letter/ 题目描述 Given a string S, return the number of substrings that have only one distinct letter. Example 1: AI检测代码解析 Input: S = "aaaba" Output: 8 Explanation: The substrings with...
LeetCode Count of Smaller Number After Self 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 elements to the right of nums[i]. Example: Sol......
1classSolution {2func countLetters(_ S: String) ->Int {3vararr:[Character] =Array(S)4arr.append("#")5vark:Int =06varc:Character ="#"7varans:Int =08foriin0..<arr.count9{10ifarr[i] ==c11{12k +=113}14else15{16ifc !="#"17{18ans += k * (k +1) /219}20c =arr[i]21...
1730-special-array-with-x-elements-greater-than-or-equal-x 1734-bank-account-summary-ii 1744-number-of-ways-to-form-a-target-string-given-a-dictionary 1755-defuse-the-bomb 1764-maximum-repeating-substring 1765-merge-in-between-linked-lists 1767-design-front-middle-back-queue 1775-design-an-o...
Given a stringS, return the number of substrings that have only one distinct letter. Example 1: AI检测代码解析 Input: S = "aaaba" Output: 8 Explanation: The substrings with one distinct letter are "aaa", "aa", "a", "b". "aaa" occurs 1 time. ...